100以内数的加减
100以内的加减法速算技巧
100以内的加减法速算技巧
在进行100以内的加减法速算时，有一些技巧可以帮助我们更快地计算。
首先，对于加法：
1. 如果要计算两个数的和，可以利用补数法。
例如，对于
47+38，我们可以将38拆分成40-2，然后将40和47相加得87，再减去2得到85。
2. 对于接近的数，可以利用近似值相加。
例如，48+36可以近似为50+40，得到90。
3. 如果一个数以9结尾，可以利用进位的特点。
例如，47+29可以看作47+30-1，得到76。
4. 利用数字之间的关系进行加法运算，比如利用10的倍数，例如47+8可以看作47+3+5，得到55。
其次，对于减法：
1. 如果要计算两个数的差，可以利用补数法。
例如，对于87-39，我们可以将39拆分成40-1，然后将87减去40得到47，再加上1得到48。
2. 对于接近的数，可以利用近似值相减。
例如，87-48可以近似为90-50，得到40。
3. 利用数字之间的关系进行减法运算，比如利用10的倍数，例如87-29可以看作87-30+1，得到58。
最后，可以利用记忆技巧来帮助加减法速算，比如背诵一些常见的加减法组合，例如10以内的加减法口诀，可以帮助我们更快地进行计算。
总之，通过灵活运用补数法、近似值相加减、数字关系和记忆技巧，我们可以在100以内的加减法计算中更快速地得到结果。
希望以上技巧对你有所帮助。
100以内-加减法-速算方法
100以内-加减法-速算方法在数学学习中，加减法是我们最早接触的基本运算之一。
掌握了加减法的速算方法，不仅可以提高我们的计算效率，还能够培养我们的逻辑思维能力。
本文将为大家介绍一些在100以内进行加减法运算时的速算方法。
一、快速加法的方法1. 进位相加法当我们遇到两个个位数相加时，如果和超过了10，就需要进位。
进位相加法是将两个个位数的个位相加，如果和大于10，则将十位上的数进位。
例如：7 + 5 = 12，我们将2写在个位上，将1进位，结果为12。
这种方法适用于两个个位数相加，快速简洁，尤其适用于心算。
2. 减法转加法减法运算在日常的计算中也是非常常见的，但有时候我们可能会遇到一些较为繁琐的减法运算。
这时，我们可以利用减法转加法的方法，将减法问题转化为加法问题。
例如：18 - 7 = ？我们可以转化为 7 + ？ = 18，然后通过补数的方式找到加数，这样就能够快速得到结果。
二、快速减法的方法1. 借位减法在进行减法运算时，当被减数小于减数时，我们需要进行借位运算。
借位减法是将借位数从高位减去，然后再将差数从低位减去，最后将差数相加。
例如：56 - 39 = ？我们先通过借位，将56变为(40 + 16)，39变为(30 + 9)，然后进行相减，得到结果(40 - 30) + (16 - 9) = 10 + 7 = 17。
2. 加法转减法有时候我们会遇到一些复杂的减法运算，这时我们可以利用加法转减法的方法，将减法运算转化为加法运算。
例如：97 - 42 = ？我们可以转化为？ + 42 = 97，然后通过补数的方法找到加数，这样就能够快速得到结果。
三、速算技巧的应用1. 利用关联数相加关联数指的是数与十的互补数。
例如，8与2互补，7与3互补，9与1互补。
例如：7 + 8 = (7 + 2) + (8 - 2) = 10 + 6 = 16。
2. 利用相等变形在进行加减法运算时，我们可以利用相等变形的方法，将运算式转化为我们更容易进行计算的形式。
二年级100以内的加减法
二年级100以内的加减法100以内的加减法(1)100-89+8= 42-17+28= 56-19+28= 36+4-24= 55+15-54= 40+27-37= 54-34+3= 95-60+60= 45+30-21= 22+62-49= 64+19-60= 99-39+3= 69+2-4= 71-42+41= 19-4+50=18+46-26= 49-6+12= 31+43-3= 56-28+35= 11+14-11= 93+4+2= 87+10+7= 72+22+2= 69+16+6= 84+14+2=14+16+30= 65+25+7= 6+21+51= 28+56+1= 80+16+3= 70+4+17= 95+1+3= 34+11+52= 65+26+3= 1+86+4=78+19+2= 87+7+1= 47+28+18= 68+23+8= 64+21+5= 47-25-3= 63-44-6= 44-19-18= 89-51-24= 32-24-3=31-25-3= 82-53-10= 85-44-8= 98-23-17= 54-37-16=82-9-3= 98-97-1= 96-84-2= 74-40-24= 47-18-11=86-42-23= 63-55-5= 83-44-18= 91-28-24= 30-26-3=47+12= 12+33= 10+41= 10+8= 53+4=59+1= 3+29= 5+29= 8+15= 16+53=50+4= 4+25= 32+21= 38+32= 26+72=84+1= 42+28= 13+8= 19+2= 44+26=64+20+13= 35-25-1= 32+12-5= 74+21+5= 21+77+3=27+37-22= 72+17+8= 86-19-41= 83+16+1= 22-20+63= 78+9+2= 23+12+48= 97+35-54= 75+22+2= 34-7+28= 30-28+50= 85-49-14= 43+10+32= 45+63-62= 76-48-19=100以内的加减法(2)53+23-43= 24-2+7= 57+31-38= 98-18+8= 73+6-50=41+21-22= 65-55+19= 89-61+62= 98-57+51= 29+1-13=87-70+80= 72-12+15= 47+34-73= 28+31-23= 83-50+2= 80-59+71= 14+85-92= 50-47+63= 62-18+15= 24+75-83= 11+70+7= 72+10+15= 15+5+17= 69+29+1= 32+10+2= 11+72+9= 27+14+10= 39+44+6= 12+10+21= 88+7+5= 62+22+6= 37+40+17= 81+11+2= 47+5+41= 11+2+34= 82+15+2= 55+21+8= 62+17+13= 33+24+2= 66+11+14= 84-23-4= 71-35-32= 97-46-20= 93-51-37= 78-31-23=42-32-6= 43-20-19= 63-20-19= 75-68-4= 36-17-6=56-18-7= 30-14-8= 91-37-4= 61-51-5= 35-14-5=96-83-12= 33-19-6= 47-9-5= 46-23-10= 30-28-1=6+36= 26+43= 33+12= 29+39= 12+15=26+7= 12+69= 27+12= 3+22= 42+58=24+18= 20+47= 4+52= 10+39= 14+24=45+34= 4+80= 6+7= 8+41= 50+18=63-46+30= 39+49+10= 85-10-68= 71-47+40= 39+5-13= 23+100-61= 93+5+2= 53-12+21= 98-61+35= 40+54+3= 96+3+1= 63-23-3= 84-0-15= 58+6+28= 33+21-45=86-81+2= 76-62+20= 80+13+4= 74-62-1= 32+59+6= 100以内的加减法(3)35+34-20= 14+27-31= 91-14+7= 40-17+11= 24+66-53= 34+9-30= 71-24+9= 45+19-17= 82-32+40= 18+62-32= 79+1-11= 61+22-74= 70+22-37= 20+44-47= 84-48+11= 67+12-75= 53-7+6= 27+39-21= 38+6-10= 71-38+14=93+4+2= 87+10+3= 72+22+2= 69+16+6= 84+14+2=14+16+30= 65+25+7= 6+21+51= 28+56+1= 80+16+4= 95+1+3= 34+11+52= 65+26+3= 1+86+4= 70+4+7=64+21+0= 78+19+2= 68+23+8= 47+28+23= 87+7+1=59-28-15= 31-7-2= 88-44-20= 79-53-2= 33-27-5=61-16-2= 96-54-39= 65-34-27= 34-28-4= 66-39-17=40-29-4= 66-37-1= 96-51-23= 31-6-5= 36-35-1=78-75-1= 74-22-2= 88-86-1= 77-31-17= 67-41-21=56+40= 11+2= 39+26= 18+35= 50+48=32+23= 5+25= 9+11= 33+49= 71+26=4+45= 11+49= 50+33= 20+44= 7+37=26+44= 24+34= 40+47= 20+40= 12+53=82+15+3= 81-45+4= 53+19+3= 99-38-4= 44+54-85=66-47-19= 36+50-83= 24+8-6= 76-10+4= 12+74+10=48+26-45= 52+31+8= 59-24+31= 90+86-16= 11+7-2=99-9-8= 23+38+36= 20+20-31= 48-19-2= 53-36+41=100以内的加减法(4)27-18+51= 71+12-82= 15+55-38= 54+40-25= 87-43+33= 22+63-29= 18+66-77= 16+21-7= 26-8+3= 81-2+17=74-29+52= 10+46-21= 42+46-59= 15-13+68= 29+32-14= 59+27-46= 40-7+25= 54+15-35= 33-9+61= 41+50-50= 22+73+2= 8+5+3= 56+12+6= 86+13+2= 11+10+45=31+29+24= 87+9+1= 55+14+12= 91+1+1= 84+7+8=78+8+11= 27+62+2= 21+13+64= 72+25+1= 19+25+47= 87+9+2= 64+33+1= 19+46+18= 54+45+1= 41+42+13= 35-16-14= 85-46-22= 71-33-18= 85-54-9= 38-20-9=56-20-19= 69-34-3= 52-20-17= 48-27-14= 39-21-16=37-23-10= 62-40-21= 76-24-18= 38-37-1= 77-70-1=84-38-3= 54-41-7= 49-25-14= 44-33-10= 45-24-5=40+14= 45+38= 37+9= 45+28= 75+7=23+69= 24+18= 25+24= 25+14= 13+23=36+21= 19+77= 36+44= 33+32= 38+6=31+23= 26+29= 21+61= 8+40= 28+44=15+73-42= 50+45-3= 34-22+55= 12+17-25= 60-51-5= 72-67+29= 76+3+15= 69+47-113= 75+1+24= 57-22-35= 90-1-77= 65-5+11= 22+31+9= 97-96-0= 66-35-19=80+11+5= 66+18-70= 92-34-10= 29+0-11= 49-28-17=100以内的加减法(5)31+7+47= 40+11+40= 57+4+18= 56+35+3= 56+37+3= 31+16+51= 11+85+2= 19+26+9= 66+24+5= 81+6+11= 32+54+13= 52+45+2= 32+7+48= 6+71+6= 76+21+1= 23+39+8= 69+30+1= 63+7+13= 81+12+2= 25+44+26= 43-19-16= 34-33-1= 33-18-14= 66-15-7= 53-36-15=74-57-13= 87-64-1= 51-27-13= 86-76-7= 62-32-28=96-60-3= 52-26-2= 49-17-6= 77-70-4= 33-25-2=66-39-24= 56-29-4= 89-73-5= 85-76-3 = 60-16-5=37+33= 63+8= 4+25= 54+31= 68+5=31+39= 39+43= 61+34= 42+44= 35+23=26+32= 8+67= 37+20= 15+78= 15+18=19+13= 11+44= 27+4= 2+47= 8+3=32+29-31= 67+10+7= 21+30-25= 85+44-8= 60-31+8= 17+92-99= 13+8+65= 11+81+3= 58+15-68= 56-22-8= 71-59+6= 85-18-25= 79+70-44= 19+10-1= 36+43+7= 74+25+0= 62-50+12= 50-38-6= 43-12-10= 38+13-51= 93-52-27= 49-34-12= 84-67-13= 68-62-5= 79-50-10= 61-54-3= 35-32-1= 88-73-12= 62-25-16= 62-46-7=32-17-7= 93-19-9= 86-81-4= 89-59-8= 96-60-5=100以内的加减法(a)100-89+8= 42-17+28= 56-19+28= 36+4-24= 55+15-54= 40+27-37= 54-34+3= 95-60+60= 45+30-21= 22+62-49= 64+19-60= 99-39+3= 69+2-4= 71-42+41= 19-4+50=18+46-26= 49-6+12= 31+43-3= 56-28+35= 11+14-11= 93+4+2= 87+10+7= 72+22+2= 69+16+6= 84+14+2=14+16+30= 65+25+7= 6+21+51= 28+56+1= 80+16+3= 70+4+17= 95+1+3= 34+11+52= 65+26+3= 1+86+4=78+19+2= 87+7+1= 47+28+18= 68+23+8= 64+21+5= 47-25-3= 63-44-6= 44-19-18= 89-51-24= 32-24-3=31-25-3= 82-53-10= 85-44-8= 98-23-17= 54-37-16=82-9-3= 98-97-1= 96-84-2= 74-40-24= 47-18-11=86-42-23= 63-55-5= 83-44-18= 91-28-24= 30-26-3=47+12= 12+33= 10+41= 10+8= 53+4=59+1= 3+29= 5+29= 8+15= 16+53=50+4= 4+25= 32+21= 38+32= 26+72=84+1= 42+28= 13+8= 19+2= 44+26=64+20+13= 35-25-1= 32+12-5= 74+21+5= 21+77+3=27+37-22= 72+17+8= 86-19-41= 83+16+1= 22-20+63= 78+9+2= 23+12+48= 97+35-54= 75+22+2= 34-7+28= 30-28+50= 85-49-14= 43+10+32= 45+63-62= 76-48-19=100以内的加减法(b)53+23-43= 24-2+7= 57+31-38= 98-18+8= 73+6-50=41+21-22= 65-55+19= 89-61+62= 98-57+51= 29+1-13= 87-70+80= 72-12+15= 47+34-73= 28+31-23= 83-50+2=80-59+71= 14+85-92= 50-47+63= 62-18+15= 24+75-83= 11+70+7= 72+10+15= 15+5+17= 69+29+1= 32+10+2= 11+72+9= 27+14+10= 39+44+6= 12+10+21= 88+7+5= 62+22+6= 37+40+17= 81+11+2= 47+5+41= 11+2+34= 82+15+2= 55+21+8= 62+17+13= 33+24+2= 66+11+14= 84-23-4= 71-35-32= 97-46-20= 93-51-37= 78-31-23=42-32-6= 43-20-19= 63-20-19= 75-68-4= 36-17-6=56-18-7= 30-14-8= 91-37-4= 61-51-5= 35-14-5=96-83-12= 33-19-6= 47-9-5= 46-23-10= 30-28-1=6+36= 26+43= 33+12= 29+39= 12+15=26+7= 12+69= 27+12= 3+22= 42+58=24+18= 20+47= 4+52= 10+39= 14+24=45+34= 4+80= 6+7= 8+41= 50+18=63-46+30= 39+49+10= 85-10-68= 71-47+40= 39+5-13= 23+100-61= 93+5+2= 53-12+21= 98-61+35= 40+54+3= 96+3+1= 63-23-3= 84-0-15= 58+6+28= 33+21-45=86-81+2= 76-62+20= 80+13+4= 74-62-1= 32+59+6= 100以内的加减法(c)35+34-20= 14+27-31= 91-14+7= 40-17+11= 24+66-53= 34+9-30= 71-24+9= 45+19-17= 82-32+40= 18+62-32= 79+1-11= 61+22-74= 70+22-37= 20+44-47= 84-48+11= 67+12-75= 53-7+6= 27+39-21= 38+6-10= 71-38+14=93+4+2= 87+10+3= 72+22+2= 69+16+6= 84+14+2=14+16+30= 65+25+7= 6+21+51= 28+56+1= 80+16+4= 95+1+3= 34+11+52= 65+26+3= 1+86+4= 70+4+7=64+21+0= 78+19+2= 68+23+8= 47+28+23= 87+7+1=59-28-15= 31-7-2= 88-44-20= 79-53-2= 33-27-5=61-16-2= 96-54-39= 65-34-27= 34-28-4= 66-39-17=40-29-4= 66-37-1= 96-51-23= 31-6-5= 36-35-1=78-75-1= 74-22-2= 88-86-1= 77-31-17= 67-41-21=56+40= 11+2= 39+26= 18+35= 50+48=32+23= 5+25= 9+11= 33+49= 71+26=4+45= 11+49= 50+33= 20+44= 7+37=26+44= 24+34= 40+47= 20+40= 12+53=82+15+3= 81-45+4= 53+19+3= 99-38-4= 44+54-85=66-47-19= 36+50-83= 24+8-6= 76-10+4= 12+74+10=48+26-45= 52+31+8= 59-24+31= 90+86-16= 11+7-2=99-9-8= 23+38+36= 20+20-31= 48-19-2= 53-36+41=100以内的加减法(d)27-18+51= 71+12-82= 15+55-38= 54+40-25= 87-43+33= 22+63-29= 18+66-77= 16+21-7= 26-8+3= 81-2+17=74-29+52= 10+46-21= 42+46-59= 15-13+68= 29+32-14= 59+27-46= 40-7+25= 54+15-35= 33-9+61= 41+50-50= 22+73+2= 8+5+3= 56+12+6= 86+13+2= 11+10+45=31+29+24= 87+9+1= 55+14+12= 91+1+1= 84+7+8=78+8+11= 27+62+2= 21+13+64= 72+25+1= 19+25+47= 87+9+2= 64+33+1= 19+46+18= 54+45+1= 41+42+13= 35-16-14= 85-46-22= 71-33-18= 85-54-9= 38-20-9=56-20-19= 69-34-3= 52-20-17= 48-27-14= 39-21-16=37-23-10= 62-40-21= 76-24-18= 38-37-1= 77-70-1=84-38-3= 54-41-7= 49-25-14= 44-33-10= 45-24-5=40+14= 45+38= 37+9= 45+28= 75+7=23+69= 24+18= 25+24= 25+14= 13+23=36+21= 19+77= 36+44= 33+32= 38+6=31+23= 26+29= 21+61= 8+40= 28+44=15+73-42= 50+45-3= 34-22+55= 12+17-25= 60-51-5= 72-67+29= 76+3+15= 69+47-113= 75+1+24= 57-22-35= 90-1-77= 65-5+11= 22+31+9= 97-96-0= 66-35-19=80+11+5= 66+18-70= 92-34-10= 29+0-11= 49-28-17=100以内的加减法(e)31+7+47= 40+11+40= 57+4+18= 56+35+3= 56+37+3= 31+16+51= 11+85+2= 19+26+9= 66+24+5= 81+6+11= 32+54+13= 52+45+2= 32+7+48= 6+71+6= 76+21+1= 23+39+8= 69+30+1= 63+7+13= 81+12+2= 25+44+26= 43-19-16= 34-33-1= 33-18-14= 66-15-7= 53-36-15=74-57-13= 87-64-1= 51-27-13= 86-76-7= 62-32-28=96-60-3= 52-26-2= 49-17-6= 77-70-4= 33-25-2=66-39-24= 56-29-4= 89-73-5= 85-76-3 = 60-16-5=37+33= 63+8= 4+25= 54+31= 68+5=31+39= 39+43= 61+34= 42+44= 35+23=26+32= 8+67= 37+20= 15+78= 15+18=19+13= 11+44= 27+4= 2+47= 8+3=32+29-31= 67+10+7= 21+30-25= 85+44-8= 60-31+8= 17+92-99= 13+8+65= 11+81+3= 58+15-68= 56-22-8= 71-59+6= 85-18-25= 79+70-44= 19+10-1= 36+43+7= 74+25+0= 62-50+12= 50-38-6= 43-12-10= 38+13-51= 93-52-27= 49-34-12= 84-67-13= 68-62-5= 79-50-10= 61-54-3= 35-32-1= 88-73-12= 62-25-16= 62-46-7=32-17-7= 93-19-9= 86-81-4= 89-59-8= 96-60-5=二年级练习试题1．把口诀填写完整。
100以内的加减法算式题
100以内的加减法算式题一、加法算式（10题）1. 23 + 12 =- 解析：先计算个位上的数相加，3+2 = 5，再计算十位上的数相加，2+1 = 3，所以结果是35。
2. 15+20 =- 解析：个位上是5 + 0=5，十位上是1+2 = 3，答案为35。
3. 31+18 =- 解析：个位1+8 = 9，十位3 + 1=4，结果是49。
4. 9+40 =- 解析：个位9+0 = 9，十位0+4 = 4，答案为49。
5. 22+33 =- 解析：个位2+3 = 5，十位2+3 = 5，结果是55。
6. 11+54 =- 解析：个位1+4 = 5，十位1+5 = 6，答案为65。
7. 42+25 =- 解析：个位2+5 = 7，十位4+2 = 6，结果是67。
8. 30+39 =- 解析：个位0+9 = 9，十位3+3 = 6，答案为69。
9. 17+21 =- 解析：个位7+1 = 8，十位1+2 = 3，结果是38。
10. 50+16 =- 解析：个位0+6 = 6，十位5+1 = 6，答案为66。
二、减法算式（10题）1. 56 - 23 =- 解析：先算个位6 - 3=3，再算十位5 - 2 = 3，结果是33。
2. 45-10 =- 解析：个位5 - 0 = 5，十位4-1 = 3，答案为35。
3. 78-31 =- 解析：个位8 - 1=7，十位7 - 3 = 4，结果是47。
4. 60 - 20 =- 解析：个位0 - 0 = 0，十位6 - 2 = 4，答案为40。
5. 88-33 =- 解析：个位8 - 3 = 5，十位8 - 3 = 5，结果是55。
6. 71-54 =- 解析：个位1 - 4不够减，从十位借1当10，11 - 4 = 7，十位7 - 1-5 = 1，答案为17。
7. 92-45 =- 解析：个位2 - 5不够减，从十位借1当10，12 - 5 = 7，十位9 - 1-4 = 4，结果是47。
100以内加减法速算方法
100以内加减法速算方法加法和减法是我们日常生活中最基本的数学运算。
掌握100以内的加减法速算方法，可以大大提高计算效率。
本文将介绍几种简便的100以内加减法速算方法。
一、十位数相同，个位数相加当两个加数的十位数相同，个位数相加时，可以利用这个特点进行速算。
例如，计算56+58，十位数都是5，个位数相加得到14，所以答案是114。
二、个位数相同，十位数相加当两个加数的个位数相同，十位数相加时，可以利用这个特点进行速算。
例如，计算27+37，个位数都是7，十位数相加得到6，所以答案是64。
三、整十数相加当两个整十数相加时，可以直接将两个整十数相加，而忽略个位数。
例如，计算30+40，直接将3和4相加得到7，所以答案是70。
四、拆分法对于两个数相加，如果其中一个数可以拆分成两个更容易计算的数，可以利用拆分法进行速算。
例如，计算78+26，可以将26拆分为20和6，然后分别与78相加，得到98和84，最后再将98和84相加，得到182，所以答案是182。
五、进位法对于两个数相加，如果个位数之和超过10，可以利用进位法进行速算。
例如，计算57+36，个位数之和为7+6=13，超过10，所以需要进位。
进位后，个位数为3，十位数之和为5+1=6，所以答案是63。
六、借位法对于两个数相减，如果被减数的个位数小于减数的个位数，可以利用借位法进行速算。
例如，计算68-39，被减数的个位数8小于减数的个位数9，需要借位。
借位后，个位数为18-9=9，十位数为5-3=2，所以答案是29。
七、零的性质在100以内的加减法中，零有着特殊的性质。
任何数与零相加或相减，结果都是该数本身。
例如，计算45+0，结果为45；计算72-0，结果为72。
通过灵活运用以上速算方法，可以快速准确地进行100以内的加减法计算。
在日常生活中，多加练习，熟练掌握这些方法，将为我们的数学运算提供便利，提高计算效率。
在计算过程中，要注意细心和准确。
100以内整十数加减法
100以内整十数加减法班级 姓名50 -30 =40 -10 =60 +20 =30 +10 = 60 -40 =80 -50 =30 -10 =10 +10 = 80 +20 =30 -10 =10 +20 =80 +20 = 20 +60 =40 -10 =70 -20 =10 +50 = 80 +20 =40 +50 =40 +60 =30 +20 = 60 +40 =60 +20 =50 -40 =50 -10 = 40 -20 =30 -20 =70 +20 =60 +40 = 50 -20 =70 +10 =20 -10 =60 +20 = 70 -20 =80 -10 =20 +20 =90 +10 = 10 -10 =30 +60 =90 +10 =90 +10 = 40 -40 =80 +20 =50 -20 =40 +60 = 90 -70 =30 +70 =70 -20 =30 -10 = 30 +10 =50 +30 =70 -10 =10 +40 = 80 +10 =10 +10 =40 +40 =90 -20 = 90 -90 =40 -20 =30 +40 =20 -10 = 80 +20 =30 +60 =80 +10 =20 +70 = 40 +50 =10 +40 =90 -60 =90 +10 = 60 +20 =30 +70 =30 -20 =60 -10 = 90 -70 =40 +60 =60 +20 =40 +50 = 10 -10 =80 +20 =20 -10 =80 +10 = 50 -10 =60 -40 =10 +10 =40 +20 = 30 -10 =40 -10 =10 -10 =10 -10 = 30 +60 =40 -30 =90 +10 =20 +10 = 50 -10 =70 -50 =50 -30 =30 +10 = 10 -10 =10 +20 =50 -40 =20 -20 =100以内整十数加减法班级 姓名60 -50 =70 -20 =80 +10 =70 +20 = 50 +10 =30 -30 =60 +30 =60 +20 = 50 +10 =40 +10 =90 +10 =90 +10 = 30 +60 =80 +10 =80 +10 =30 +50 = 70 -40 =50 +10 =90 +10 =70 +10 = 50 +20 =60 -40 =30 -10 =90 +10 = 20 -20 =10 +40 =80 -50 =20 -20 = 30 +50 =30 +70 =90 -80 =70 +30 = 10 +40 =40 +40 =70 -70 =80 -40 = 40 +10 =50 +10 =50 -40 =70 -60 = 70 -40 =30 +10 =60 +10 =30 +40 = 70 +10 =40 -40 =60 -20 =20 +40 = 10 +40 =30 -20 =10 +20 =40 +40 = 10 -10 =10 -10 =50 +30 =50 +40 = 90 +10 =40 +20 =80 -10 =30 +50 = 80 +20 =60 -10 =50 +40 =10 +30 = 90 +10 =20 +10 =60 +10 =20 +30 = 20 -10 =70 +20 =30 +50 =10 +20 = 20 -10 =50 -50 =40 +30 =50 -40 = 80 -70 =20 -20 =80 +20 =20 -10 = 40 +10 =90 +10 =70 +20 =10 +10 = 60 +10 =10 -10 =60 +40 =60 -30 = 80 +20 =90 +10 =90 +10 =90 +10 = 80 +20 =40 -40 =90 -20 =30 -20 = 60 -60 =70 -30 =60 -10 =70 +10 = 80 -70 =80 +10 =60 +20 =40 +50 =100以内整十数加减法班级 姓名40 -10 =90 +10 =20 -20 =60 +30 = 90 +10 =30 +30 =60 -30 =40 +30 = 30 +40 =70 -20 =40 +30 =50 +50 = 70 +30 =90 +10 =10 +80 =60 -30 = 40 -30 =50 -10 =70 -20 =60 -50 = 10 -10 =80 -10 =30 +20 =20 +50 = 10 +50 =50 +30 =90 -20 =90 +10 = 10 -10 =50 -30 =40 -20 =30 +60 = 60 +10 =20 -10 =90 -60 =30 +30 = 50 +10 =70 +30 =80 -10 =90 +10 = 60 -60 =60 +20 =10 -10 =30 -30 = 10 +80 =70 -60 =60 -30 =90 +10 = 30 +60 =20 -20 =20 -10 =80 -60 = 40 -20 =80 +20 =80 +20 =60 -10 = 30 +40 =30 -20 =30 -20 =80 +10 = 40 -40 =40 +10 =30 +20 =40 +20 = 30 +10 =70 +20 =60 -10 =90 -40 = 30 -20 =20 -20 =40 -20 =20 -20 = 70 -50 =10 -10 =30 +40 =40 -30 = 80 -70 =40 +30 =70 -70 =50 +20 = 40 +60 =20 -10 =80 +20 =70 +10 = 10 +90 =90 -40 =20 -10 =40 +40 = 30 +50 =90 +10 =90 -10 =10 +10 = 70 -30 =60 +30 =60 -10 =50 +30 = 30 +50 =90 +10 =90 +10 =70 +20 = 40 +30 =90 -80 =60 -50 =70 +20 =100以内整十数加减法班级 姓名10 +10 =90 +10 =60 -60 =50 +10 = 70 +10 =40 +20 =10 +50 =20 +10 = 10 +90 =60 -30 =20 +50 =20 +10 = 40 -30 =30 -10 =90 +10 =60 -60 = 70 +30 =60 -20 =10 +60 =60 +40 = 10 +30 =60 -40 =50 -50 =60 +40 = 40 +40 =10 +20 =70 +20 =10 +80 = 40 -10 =30 -30 =60 +40 =50 -30 = 50 +50 =30 +40 =70 +30 =70 +20 = 50 -20 =30 +20 =30 +70 =90 -10 = 90 -10 =80 -20 =30 +40 =30 +50 = 60 +40 =80 +20 =70 +20 =90 +10 = 50 -10 =70 -60 =30 +20 =70 -50 = 90 +10 =30 +40 =10 -10 =10 +70 = 20 +80 =90 -30 =20 +80 =40 -20 = 60 +30 =20 +40 =10 -10 =90 +10 = 30 +60 =30 -20 =10 -10 =40 -40 = 50 -50 =80 -30 =80 -70 =40 -40 = 80 +20 =60 +10 =30 -20 =60 +20 = 80 -70 =40 +50 =50 +50 =80 -70 = 70 -50 =70 +20 =80 -50 =40 -40 = 70 +30 =30 -20 =80 +10 =30 -30 = 70 +20 =40 +30 =20 -20 =30 -10 = 90 +10 =50 +30 =40 +20 =50 +20 = 60 -40 =80 +20 =10 +70 =50 -40 = 10 -10 =10 -10 =30 +10 =40 -40 =100以内整十数加减法班级 姓名80 -60 =60 -10 =10 -10 =20 -10 = 20 -10 =30 -30 =10 +40 =30 -10 = 40 +20 =80 +20 =10 -10 =50 +40 = 90 +10 =70 +20 =90 -10 =90 -60 = 50 +20 =50 -40 =60 -30 =50 -20 = 60 -20 =70 -30 =60 -10 =90 +10 = 80 +10 =50 +40 =70 +20 =10 +60 = 80 +10 =80 +10 =60 +30 =30 -30 = 10 -10 =30 +30 =40 +30 =50 +50 = 30 +40 =70 -40 =20 +70 =30 +30 = 30 +70 =80 -40 =40 -20 =80 +20 = 10 +30 =10 +60 =10 +20 =40 +30 = 10 -10 =20 -20 =60 +20 =70 +10 = 40 -20 =10 -10 =10 +70 =10 -10 = 50 -30 =40 +10 =40 +30 =70 +20 = 90 +10 =10 -10 =30 +30 =30 -30 = 10 -10 =80 +20 =30 -30 =80 +20 = 40 -40 =30 -10 =60 +20 =30 -30 = 80 +20 =30 -10 =60 +20 =90 +10 = 50 -20 =90 +10 =10 -10 =40 -10 = 70 -50 =50 -50 =90 +10 =80 +20 = 20 +20 =80 +20 =20 -10 =50 +40 = 20 +80 =10 +30 =70 -60 =80 -80 = 10 -10 =50 -10 =90 +10 =40 +40 = 50 -10 =20 +70 =60 -60 =80 -80 = 10 -10 =90 +10 =80 -80 =80 -30 =100以内整十数加减法班级 姓名20 +60 =20 +10 =60 -60 =50 -30 = 20 -10 =80 -70 =70 +20 =30 +60 = 30 -20 =50 -40 =60 +30 =70 -60 = 30 -20 =80 -30 =40 +60 =70 -40 = 60 +30 =40 +20 =20 +40 =20 +80 = 40 -10 =90 -20 =10 -10 =60 +10 = 30 -20 =10 -10 =30 +60 =70 -40 = 10 +90 =50 +30 =80 +20 =90 -10 = 60 +10 =60 +20 =30 -20 =70 -50 = 80 +10 =80 -50 =30 +10 =80 +20 = 90 -90 =40 -20 =60 +20 =80 +20 = 10 +80 =80 +20 =50 -10 =20 -10 = 60 -30 =80 -80 =50 +20 =80 -10 = 60 +20 =20 +30 =40 +60 =80 -20 = 70 +30 =70 +10 =20 -20 =20 +40 = 40 +30 =80 +20 =50 +40 =30 +20 = 60 -10 =70 +20 =40 -30 =60 +30 = 80 +20 =40 -30 =40 -40 =40 +10 = 60 -20 =70 -60 =80 +10 =90 +10 = 90 -60 =80 +10 =40 +30 =90 +10 = 80 +10 =50 -40 =90 -80 =20 +60 = 50 -30 =80 +10 =30 +70 =40 -10 = 90 +10 =50 -20 =20 -20 =60 -20 = 10 +70 =70 +30 =80 +20 =40 -30 = 60 +20 =60 +20 =10 -10 =50 +40 = 10 -10 =10 +10 =10 +10 =10 +60 =100以内整十数加减法班级 姓名10 -10 =80 -60 =90 +10 =80 -30 = 30 +60 =10 -10 =70 -10 =30 +10 = 70 -50 =60 -20 =90 +10 =60 +20 = 70 -50 =70 +20 =20 -20 =90 -70 = 20 -20 =10 +30 =60 +10 =20 -20 = 40 +60 =70 +30 =10 +30 =30 +40 = 40 -20 =30 +70 =90 +10 =60 +20 = 90 +10 =20 -20 =50 +30 =10 -10 = 90 -60 =20 -10 =30 -10 =50 -20 = 30 +10 =80 -10 =10 +10 =20 +70 = 30 +30 =60 +10 =50 +10 =50 +10 = 90 +10 =50 +10 =10 -10 =60 +10 = 70 -60 =90 -20 =90 +10 =40 +40 = 10 +90 =50 +10 =10 -10 =30 -30 = 10 +70 =40 -10 =60 -50 =40 +40 = 70 -40 =30 -10 =60 +10 =90 +10 = 30 +10 =10 +10 =10 +50 =60 +20 = 90 -40 =10 -10 =90 -40 =10 -10 = 30 +70 =30 +20 =10 +10 =20 +40 = 90 -80 =20 +70 =80 -70 =90 +10 = 30 -20 =20 -20 =50 -40 =40 +40 = 30 -20 =40 -10 =30 -10 =10 -10 = 30 +60 =20 -20 =80 +20 =80 +20 = 40 -10 =40 +40 =40 +40 =40 -40 = 80 -50 =60 +10 =80 -20 =70 -70 = 80 +10 =90 -90 =70 -60 =70 +30 =100以内整十数加减法班级 姓名60 -10 =20 +30 =40 +60 =20 +50 = 20 +70 =30 -30 =30 -20 =30 +10 = 60 +30 =10 +20 =40 +30 =60 +40 = 90 -10 =50 +20 =40 +50 =10 +40 = 50 +10 =30 +40 =70 +30 =90 -60 = 40 +60 =90 -20 =40 +40 =90 -70 = 90 -10 =90 +10 =10 -10 =20 -10 = 60 +40 =50 +10 =90 +10 =90 +10 = 90 -40 =80 +20 =20 +70 =20 +20 = 70 -20 =60 +30 =50 +40 =40 -30 = 10 -10 =20 +40 =70 +30 =60 +30 = 90 +10 =70 +30 =10 -10 =50 -10 = 40 +20 =50 +30 =50 +50 =50 -20 = 70 -30 =70 -30 =80 +10 =90 +10 = 70 +30 =70 -40 =90 +10 =10 -10 = 30 -20 =60 -30 =30 -20 =60 +20 = 60 +10 =90 -70 =90 -40 =60 +40 = 30 +10 =10 +20 =70 +30 =30 +30 = 90 -40 =60 +30 =80 -10 =30 -20 = 80 +20 =10 -10 =50 -20 =70 +10 = 40 -10 =20 -10 =70 +20 =40 +50 = 80 -30 =50 +40 =80 +10 =60 +10 = 80 -20 =50 -40 =50 -10 =80 +20 = 40 -20 =70 +20 =80 +20 =50 +20 = 90 -70 =80 -40 =40 +10 =20 +80 = 10 +80 =70 -60 =90 +10 =60 +20 =100以内整十数加减法班级 姓名30 -10 =10 +10 =90 -50 =30 +50 = 60 -50 =20 +30 =40 -20 =10 -10 = 60 +40 =40 +50 =80 -40 =30 -30 = 90 -60 =80 -10 =60 +30 =30 -10 = 70 -20 =40 +60 =80 +10 =90 +10 = 80 +10 =90 +10 =40 +60 =80 -10 = 40 -10 =30 -30 =30 -20 =40 -30 = 80 +10 =50 +20 =50 -50 =80 -50 = 40 +50 =90 -70 =80 +20 =10 -10 = 90 +10 =50 -40 =60 -50 =60 +40 = 40 -20 =40 +50 =10 +80 =20 -20 = 80 +10 =50 -10 =60 -40 =30 +50 = 20 +60 =70 -70 =60 +20 =20 -20 = 10 -10 =10 -10 =60 +10 =40 +20 = 50 +40 =20 -10 =40 -40 =60 -10 = 70 -50 =10 +60 =60 +10 =90 -60 = 80 -60 =80 +10 =10 +40 =40 +50 = 20 +20 =50 -30 =30 -30 =20 -10 = 80 +10 =70 +10 =40 -30 =60 +20 = 70 +30 =20 -20 =20 -20 =40 -20 = 70 +30 =50 -20 =20 -10 =40 -30 = 60 +20 =80 +20 =30 -20 =70 -70 = 30 -20 =60 -50 =10 +60 =60 +30 = 70 +10 =50 +30 =40 +30 =30 -10 = 70 -10 =40 -10 =70 -20 =60 -20 = 80 -70 =40 +60 =60 +40 =90 +10 =100以内整十数加减法班级 姓名90 -30 =60 +30 =80 +10 =90 +10 = 70 -30 =90 +10 =20 +30 =40 +10 = 40 -20 =60 -10 =20 +70 =50 +10 = 80 +10 =20 +60 =40 -10 =40 +50 = 90 -90 =20 -20 =50 +50 =50 +40 = 60 -30 =10 +30 =60 -50 =20 +60 = 40 -30 =10 +20 =20 -10 =40 +50 = 80 +20 =10 -10 =90 +10 =30 +40 = 70 -70 =30 +70 =10 +60 =70 +30 = 90 +10 =40 +40 =30 +60 =40 -30 = 70 +20 =40 -30 =40 -30 =60 -50 = 90 +10 =80 -80 =20 +70 =20 -10 = 10 +80 =80 -50 =80 -80 =90 +10 = 10 +20 =60 -20 =40 +40 =30 +20 = 10 -10 =40 +30 =70 +30 =60 +10 = 90 +10 =40 -20 =60 -20 =10 +40 = 60 +10 =80 +20 =30 +20 =70 +10 = 80 +10 =80 -70 =40 -20 =10 -10 = 50 -30 =80 +10 =40 -20 =90 +10 = 40 +40 =90 -50 =10 +50 =10 +60 = 60 -60 =10 +50 =70 +10 =90 +10 = 70 -20 =80 +10 =30 +10 =10 +40 = 60 -10 =40 -30 =10 -10 =40 +30 = 60 +30 =30 +10 =70 +20 =10 +70 = 20 -10 =20 +70 =90 +10 =30 +30 = 60 +40 =10 -10 =30 +60 =10 +90 =100以内整十数加减法班级 姓名40 +60 =20 +30 =90 +10 =30 -20 = 20 -20 =40 -30 =40 -40 =70 +10 = 30 +60 =90 -40 =60 -40 =40 -20 = 40 +60 =70 +10 =20 +40 =30 +60 = 80 +20 =60 +30 =90 -10 =60 -40 = 80 +20 =40 +20 =70 +10 =10 +40 = 20 +30 =30 +20 =10 -10 =60 +10 = 90 -30 =50 -30 =10 +30 =80 -40 = 10 -10 =10 +40 =20 +40 =40 +60 = 60 +40 =20 +40 =30 +10 =60 +20 = 70 -20 =60 +10 =40 +20 =20 -20 = 30 +30 =90 +10 =10 +60 =70 -30 = 70 -10 =80 -80 =90 +10 =70 -10 = 50 +30 =90 +10 =20 +10 =70 -20 = 50 +20 =90 -60 =70 -10 =40 -30 = 20 +80 =50 +50 =40 +30 =70 -40 = 20 +10 =30 +40 =70 -60 =30 -30 = 40 -30 =90 +10 =40 +60 =50 +20 = 10 +50 =50 -50 =20 +10 =50 -50 = 20 -10 =80 -20 =20 -10 =40 -20 = 90 +10 =20 +60 =70 -70 =10 -10 = 90 +10 =60 +30 =50 +10 =90 +10 = 80 -60 =90 -50 =90 -20 =60 +10 = 60 +30 =90 +10 =20 +40 =70 -30 = 60 +10 =50 +30 =80 +10 =30 -30 = 90 -10 =40 -10 =70 -70 =30 -30 =100以内整十数加减法班级 姓名80 +10 =50 -30 =50 +30 =20 +10 = 20 -10 =30 -10 =50 -20 =90 +10 = 50 +40 =40 -40 =60 +10 =80 -60 = 20 +40 =50 +40 =60 -20 =80 -10 = 40 +50 =40 +60 =80 +10 =10 -10 = 30 +20 =80 +20 =10 -10 =70 +30 = 50 -30 =40 -40 =10 +10 =80 -10 = 40 -20 =80 +10 =80 +20 =40 +10 = 40 +10 =30 +40 =30 +20 =80 -70 = 10 +90 =50 +50 =90 +10 =30 +60 = 60 +20 =60 +10 =90 -50 =30 +10 = 80 +20 =40 +60 =70 +20 =50 -50 = 70 -40 =60 -10 =10 +80 =10 -10 = 20 -10 =40 -30 =60 -30 =90 +10 = 60 -30 =50 +20 =60 +20 =60 +30 = 70 +30 =30 +70 =80 -20 =30 -10 = 90 -50 =30 -10 =10 +10 =40 -40 = 60 +10 =60 -60 =50 +30 =30 -10 = 70 +10 =20 -10 =20 -10 =70 -10 = 50 -10 =30 -10 =90 -70 =20 -10 = 70 +20 =30 +40 =50 -10 =60 +20 = 60 -60 =90 +10 =70 +10 =60 -10 = 40 +20 =60 +40 =40 -30 =70 -20 = 10 +70 =70 -30 =40 +10 =90 -20 = 70 +30 =20 +20 =50 +10 =70 -50 = 40 +50 =70 +30 =30 -20 =80 -70 =100以内整十数加减法班级 姓名20 -10 =80 +20 =40 +20 =60 -10 = 80 -40 =10 +60 =40 -10 =60 +10 = 30 -30 =80 +20 =70 -30 =90 +10 = 40 -10 =10 -10 =90 +10 =40 -10 = 10 +50 =50 -50 =30 +30 =50 -30 = 50 -10 =30 +10 =10 +50 =70 -10 = 50 +40 =50 +20 =20 -20 =90 +10 = 90 -70 =70 +20 =60 +30 =80 -50 = 20 -20 =20 -20 =70 +20 =30 +40 = 20 +30 =70 -10 =90 +10 =60 -20 = 50 +40 =20 -20 =70 -30 =90 +10 = 80 +20 =50 +50 =90 -60 =20 -20 = 90 +10 =60 +20 =80 -80 =90 +10 = 50 +10 =50 -20 =60 +30 =60 -30 = 80 +10 =30 -10 =10 +30 =80 +20 = 10 -10 =10 -10 =80 -50 =70 -40 = 10 +40 =40 +30 =50 +10 =90 +10 = 60 -60 =90 -80 =70 +30 =30 +60 = 10 -10 =20 -20 =80 -60 =50 +50 = 30 -30 =40 +10 =70 -20 =60 +40 = 40 +50 =30 +70 =20 +70 =80 +20 = 80 +10 =50 +40 =40 -10 =40 -30 = 70 -50 =10 +60 =50 -20 =20 +20 = 60 +40 =70 -40 =60 +20 =60 +10 = 20 +60 =10 -10 =60 +40 =70 -20 = 30 -20 =90 -20 =90 +10 =10 +20 =100以内整十数加减法班级 姓名10 +80 =80 -70 =60 -10 =80 +10 = 40 +40 =90 +10 =30 -10 =80 +10 = 30 +40 =10 +70 =70 +10 =20 +40 = 80 -30 =50 -40 =90 -90 =10 +40 = 10 -10 =70 +20 =80 +20 =50 +50 = 70 +10 =60 +10 =50 +20 =40 +30 = 70 +30 =80 -20 =70 +10 =50 -30 = 60 +30 =10 +90 =30 -20 =20 +80 = 30 -30 =10 +80 =60 -10 =40 +60 = 90 +10 =80 +20 =80 +20 =30 +10 = 20 +10 =10 +60 =60 -10 =10 +90 = 80 +20 =60 -20 =20 +30 =40 +40 = 40 -30 =60 -30 =50 +20 =50 +10 = 10 +40 =30 -10 =30 +40 =40 -10 = 60 -20 =50 +10 =20 -10 =70 +20 = 50 -10 =10 +40 =60 -60 =90 +10 = 70 -60 =60 -40 =70 +30 =60 +40 = 20 +30 =20 +20 =60 -50 =70 +30 = 60 +40 =30 +50 =80 -40 =10 +80 = 90 -40 =40 -30 =90 +10 =50 +10 = 70 +30 =70 +10 =60 +20 =20 -10 = 50 -10 =50 +20 =80 +10 =60 +10 = 50 -30 =90 +10 =40 +30 =20 -10 = 30 +50 =90 -30 =40 +20 =70 -40 = 10 +20 =80 -50 =40 +60 =20 +30 = 90 +10 =50 +50 =20 +70 =30 +40 =100以内整十数加减法班级 姓名70 -30 =10 +30 =40 -10 =60 +30 = 50 -50 =20 +70 =30 +50 =70 -30 = 10 -10 =10 -10 =40 +10 =10 -10 = 60 -60 =60 -30 =20 +10 =40 +40 = 70 +20 =80 -50 =70 +10 =40 +60 = 10 +20 =80 +10 =90 +10 =30 +50 = 30 +20 =70 -60 =10 +20 =10 +10 = 80 +20 =10 -10 =20 +30 =50 +20 = 20 +20 =80 -10 =20 +80 =10 -10 = 50 +20 =40 -20 =30 -30 =50 -30 = 90 -40 =80 +10 =30 +70 =90 -50 = 80 +10 =80 -40 =50 -10 =20 +70 = 40 +30 =60 -60 =30 -10 =50 -50 = 40 +50 =50 +40 =80 +10 =40 +20 = 30 +70 =70 -60 =40 +40 =60 -20 = 20 -20 =10 -10 =60 +10 =10 +10 = 20 +60 =60 -30 =50 +10 =40 -10 = 60 +20 =80 +20 =90 -60 =60 +20 = 30 +70 =60 -40 =80 +20 =50 +30 = 10 -10 =50 +50 =30 +10 =30 +50 = 60 -60 =10 +60 =80 +20 =50 -20 = 20 -20 =40 +50 =80 -70 =60 +10 = 80 -60 =80 +20 =80 +20 =70 +30 = 80 +10 =70 -60 =10 +30 =90 +10 = 70 +10 =40 +50 =30 -10 =10 -10 = 90 -40 =60 +30 =40 +30 =40 +10 =100以内整十数加减法班级 姓名90 +10 =40 -30 =70 -10 =40 -10 = 10 +20 =10 +30 =50 +30 =60 +10 = 70 +20 =40 +60 =10 +90 =60 -50 = 50 +30 =20 +60 =20 -20 =30 +60 = 70 -20 =90 +10 =30 +30 =20 +70 = 70 +30 =80 +10 =80 -70 =10 -10 = 90 +10 =80 +20 =30 -20 =90 +10 = 10 +30 =20 +40 =60 -60 =20 +80 = 80 +20 =60 +20 =20 +40 =20 +60 = 30 +30 =50 +40 =30 +40 =10 -10 = 10 +20 =70 +20 =60 -10 =80 +20 = 70 -40 =90 -80 =80 +10 =50 -20 = 60 -50 =50 -30 =10 -10 =10 +10 = 10 +20 =50 -50 =50 +30 =90 +10 = 20 +50 =30 -10 =30 -20 =80 +20 = 80 +20 =20 -10 =40 -10 =30 -20 = 70 +20 =50 -40 =60 +10 =20 -10 = 40 +10 =90 -40 =30 +10 =60 +40 = 90 +10 =50 +50 =40 +10 =10 +70 = 70 -50 =70 +10 =10 +70 =70 +10 = 90 -20 =40 +20 =40 +10 =90 -10 = 20 -20 =70 +10 =30 -20 =90 -50 = 40 +50 =40 +60 =70 +20 =80 +20 = 50 -20 =20 +70 =50 +20 =40 -10 = 70 -70 =20 +60 =20 -20 =40 +10 = 40 +30 =30 +50 =90 +10 =80 +10 =100以内整十数加减法班级 姓名40 -10 =60 +20 =20 -20 =40 +60 = 10 +70 =40 +50 =60 -40 =20 +40 = 70 -70 =90 +10 =90 +10 =10 -10 = 80 +20 =50 +40 =30 -10 =70 -60 = 20 -20 =40 -10 =80 +20 =90 -80 = 30 -30 =60 -40 =40 +10 =20 -20 = 20 +10 =40 +30 =70 +10 =90 -40 = 40 +50 =90 +10 =70 +20 =90 -90 = 40 -20 =40 +10 =30 +70 =10 -10 = 60 -40 =40 +60 =90 +10 =30 -20 = 80 -30 =70 +20 =30 +30 =30 -20 = 70 -10 =80 +20 =80 -80 =20 -10 = 90 +10 =20 +40 =30 -30 =70 -70 = 30 +30 =30 -30 =40 -30 =30 +60 = 10 -10 =30 -10 =40 -20 =30 -20 = 90 +10 =40 +60 =80 -60 =20 +70 = 10 +20 =60 -40 =60 -40 =60 -50 = 70 -70 =20 -10 =10 +50 =50 +50 = 20 +20 =90 -70 =80 +20 =70 -60 = 60 -20 =50 +20 =90 +10 =60 +20 = 40 +40 =90 +10 =70 -70 =30 -30 = 60 +40 =30 +50 =20 +80 =20 -20 = 20 +60 =90 -30 =80 -10 =80 -50 = 40 -30 =20 -10 =40 -20 =70 +20 = 20 -10 =10 +80 =30 -20 =10 -10 = 70 -20 =10 -10 =30 -10 =10 +40 =100以内整十数加减法班级 姓名90 +10 =20 +70 =80 +10 =60 +10 = 70 +10 =20 +10 =80 +10 =40 -30 = 10 +60 =80 +20 =70 +20 =60 -50 = 20 +30 =30 -20 =20 +60 =60 -40 = 90 +10 =60 +40 =90 +10 =80 -60 = 50 -50 =10 -10 =90 +10 =40 +10 = 60 -60 =10 -10 =50 +20 =60 +20 = 60 +10 =60 -50 =40 -20 =90 -80 = 90 -50 =90 +10 =40 +60 =20 +40 = 10 -10 =30 -30 =80 +20 =80 -60 = 50 +40 =20 -20 =40 +60 =50 -40 = 80 +10 =60 +10 =30 +40 =50 +40 = 90 -40 =90 -10 =40 -40 =10 +80 = 30 +30 =10 +70 =10 -10 =70 -60 = 50 -20 =50 +30 =80 +20 =70 -70 = 50 -30 =40 +40 =20 +50 =90 +10 = 20 -20 =50 -20 =30 +10 =60 -20 = 60 +10 =80 -20 =10 -10 =70 -20 = 90 +10 =90 +10 =90 +10 =70 -20 = 20 -10 =40 +60 =70 -40 =40 +40 = 90 -30 =80 -80 =80 +10 =80 -40 = 90 +10 =50 +20 =10 -10 =40 -40 = 50 -20 =90 +10 =40 -30 =90 -70 = 40 +40 =40 +50 =80 -70 =10 -10 = 10 -10 =80 -50 =50 -40 =90 +10 = 10 +40 =70 +30 =20 -10 =90 +10 =100以内整十数加减法班级 姓名70 -40 =10 +10 =70 -40 =30 -10 = 10 +30 =60 -30 =10 +20 =30 +30 = 90 -10 =90 -90 =70 -70 =80 -50 = 30 -20 =60 +40 =40 -10 =70 -60 = 70 -70 =10 -10 =60 +20 =20 -10 = 60 +20 =90 -90 =50 +30 =60 +30 = 30 -10 =30 +60 =80 -30 =10 +80 = 10 -10 =20 -20 =10 +10 =50 +30 = 50 +40 =60 -40 =80 +20 =80 -30 = 10 -10 =40 +40 =10 +80 =50 -10 = 90 -40 =50 -20 =90 +10 =90 +10 = 60 -10 =40 +40 =50 +20 =10 -10 = 70 +20 =60 +10 =30 +10 =60 +30 = 90 -20 =20 -10 =80 +20 =10 -10 = 30 +20 =40 -20 =90 -50 =50 +20 = 30 +40 =80 +10 =20 +30 =60 -60 = 70 +20 =30 +50 =30 -20 =20 -10 = 10 -10 =30 +40 =60 +40 =80 +10 = 80 -30 =20 +80 =40 -40 =30 -30 = 20 +20 =50 -20 =50 -50 =20 +60 = 40 -40 =40 -40 =80 +20 =30 -10 = 40 +40 =20 +70 =80 +10 =30 +10 = 20 +30 =30 +30 =80 -30 =90 +10 = 20 -10 =10 +30 =60 +30 =60 -50 = 30 -20 =10 +20 =70 +30 =60 +40 = 30 +40 =90 +10 =40 +40 =20 +60 =100以内整十数加减法班级 姓名80 +20 =70 -50 =50 -40 =30 -20 = 80 -30 =50 -20 =70 +20 =80 +20 = 90 +10 =90 -90 =80 +10 =10 -10 = 40 +10 =70 +20 =50 +50 =60 -40 = 70 +30 =50 +20 =20 +10 =10 -10 = 90 -30 =90 +10 =50 +40 =90 +10 = 50 -10 =50 +50 =80 +20 =80 -40 = 80 -30 =10 +80 =70 +30 =40 -40 = 90 +10 =60 +20 =50 +20 =40 -10 = 80 +20 =50 -10 =60 +30 =30 -30 = 10 -10 =90 +10 =50 +30 =90 +10 = 70 +30 =70 +20 =60 -40 =90 +10 = 20 -10 =40 +40 =20 +30 =20 -10 = 20 +80 =90 -50 =50 -40 =50 -30 = 90 +10 =30 -10 =30 -10 =30 -30 = 10 +70 =10 -10 =30 -20 =70 +20 = 30 -20 =90 +10 =30 +10 =40 -20 = 60 -10 =10 +60 =80 +20 =70 -30 = 30 +10 =90 -90 =10 -10 =40 +20 = 90 +10 =90 +10 =50 -50 =20 -10 = 40 -30 =90 -10 =10 +40 =10 +10 = 90 +10 =10 -10 =80 +10 =50 -50 = 60 -40 =90 +10 =50 +30 =70 -20 = 30 -10 =20 +80 =10 -10 =80 +20 = 40 -30 =70 -60 =90 +10 =60 +40 = 30 +20 =60 +10 =40 +30 =90 -50 =。
100以内加减法口算技巧
100以内加减法口算技巧一、加法口算技巧在进行100以内的加法口算时，我们可以借助一些简单的技巧来提高计算速度和准确性。
1. 单位补数法当两个数相加的个位数的和超过10时，我们可以先将个位数的补数加上，然后再将十位数相加。
例如：47 + 9，我们可以先将 9 补成 10，再将十位数的 40 和 10相加，最后再加上个位数的 7，即得到结果 57。
2. 进位相消法当两个数相加的十位数相同时，我们可以先将个位数相加，然后将进位的数相消。
例如：35 + 46，我们可以先将 5 和 6 相加得到 11，然后将进位的1 与十位数的 3 相消，最后得到结果 81。
3. 左移求和法当两个数相加时，我们可以将其中一个数的个位数向左移动一位，再与十位数相加。
例如：28 + 37，我们可以将 28 中的个位数 8 向左移动一位变成80，然后将 80 和 37 的十位数相加得到 110，最后再加上个位数的 8，即得到结果 115。
4. 同进位相加法当两个数相加的个位数相加后的个位数为0时，我们可以将十位数相加，然后加上个位数的和。
例如：25 + 35，我们可以先将 5 和 5 相加得到 10，然后将十位数的 2 和 3 相加，最后加上个位数的和，即得到结果 60。
二、减法口算技巧在进行100以内的减法口算时，同样可以使用一些技巧来帮助我们进行计算。
1. 原数不变法当两个数相减时，我们可以保持减数不变，将被减数的个位数借位后再减去。
例如：83 - 27，我们将 27 的个位数 7 借位后得到 17，然后用 83 减去 17，即得到结果 66。
2. 韦达法当两个数相减时，我们可以将减数中的个位数与个位数相减，再将十位数相减。
例如：76 - 35，我们先将个位数 6 和 5 相减得到 1，然后将十位数的 7 和 3 相减，最后组合起来得到结果 41。
3. 差不变法当两个数相减时，我们可以将减数和被减数同时加上一个相同的数，差值不变。
100内的加减混合计算速算方法
100内的加减混合计算速算方法
在学习数学的过程中，我们经常需要进行一些加减混合计算。
对于在100以内的加减混合计算，有许多速算的方法可以帮助我们快速计算出正确答案。
方法一：十位数相同，个位数相加
当两个数的十位数相同，个位数相加时，我们可以先将十位数保持不变，然后将两个数的个位数相加，得到答案。
例如：56 + 58 = 114，因为两个数的十位数都是5，所以我们可以先将5保持不变，然后将6和8相加，得到4，将其放在个位上，最终得到答案114。
方法二：十位数相同，个位数相减
当两个数的十位数相同，个位数相减时，我们可以先将十位数保持不变，然后将两个数的个位数相减，得到答案。
例如：78 - 75 = 3，因为两个数的十位数都是7，所以我们可以先将7保持不变，然后将8和5相减，得到3，将其放在个位上，最终得到答案3。
方法三：进位相减
当两个数相减时，如果出现了需要进位的情况，我们可以使用进位相
减的方法。
例如：38 - 17 = 21，我们可以先将7借位到十位上，将3变为2，然后再进行减法运算，得到答案21。
方法四：倍数关系
当两个数之间存在倍数关系时，我们可以利用这个关系来进行计算。
例如：8 + 16 = 24，因为16是8的两倍，所以我们可以将8乘以3，得到24。
以上这些速算方法可以帮助我们在100以内进行加减混合计算时更
加快速、准确地得到答案。
当然，在实际运算中，还需要根据具体情况灵活应用这些方法。