四年级小数加减法计算题
四年级小数加减法计算题
四年级下册计算题库(一)——小数加法和减法
1.小数数位相同加减法(竖式计算)
5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49= 5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57=
4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 5.16+7.89=
26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75=
7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78=
5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 62.1-17.07
1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55=
5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55=10+10.1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 =
95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45=
2.小数加减混合运算(递等式计算)
5.03-2.5+0.96 22.8-5.23-9.125 23.66+4.34-3.56
5.6-0.81-1.29 15.9+3.26+4.17 67.2+41.5-71.39
10.75+0.4-9.473 16.23+8.92-7.56 50-28.5-13.45
13.79-9.653+170.57 1.5+0.68-0.306 72.8-8.6+5.84
20.8-(15.98-3.9) 32.5+(5.07+6.13)
3.52-(4.66-3.82)
3.小数加减简便运算(递等式计算)
0.9+1.08+0.92+0.1 5.26+3.43+0.74 5.6+2.7+4.4
0.15+7.62+7.85 51.27-8.66-1.34 48.14-2.43-7.57 四年级小数加减法计算题
18.76-3.47-0.53 5.17-1.8-3.2 70.8-1.25-1.75
4.02-3.5+0.98 4.25-0.83+0.75 23.04-0.8-13.4-6.2
15.13+4.92-5.13 3.98-1.5+6.02 4.8+1.2-4.8+1.2
30.99-(8.5+15.99)
72.6-(22.6+3.45)
36.06-(5+6.06)
四年级下册计算题库(一)——小数加法和减法
1.小数数位相同加减法(竖式计算)
27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44= 15.31+13.51
5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49=
5.48-3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57=
8.25+1.55= 9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24=
4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 5.16+7.89= 2.小数数位不同加减法(竖式计算)
26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75=
7.3-2.25= 3.8+3.54= 3.05-2.9= 3.1-2.07= 12.7+6.58=
7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78=
5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 62.1-17.07=
1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55=
5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55=
3.整数与小数的加减法(竖式计算)
10+10.1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 = 四年级小数加减法计算题
28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089=
95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45=
10-0.41= 45-0.45= 3.57+3=
4.小数加减混合运算(递等式计算)
5.03-2.5+0.96 22.8-5.23-9.125 23.66+4.34-3.56
5.6-0.81-1.29 15.9+3.26+4.17 67.2+41.5-71.39
10.75+0.4-9.473 16.23+8.92-7.56 50-28.5-13.45
13.79-9.653+170.57 1.5+0.68-0.306 72.8-8.6+5.84
20.8-(15.98-3.9)32.5+(5.07+6.13) 3.52-(4.66-3.82)
5.小数加减简便运算(递等式计算)
0.9+1.08+0.92+0.1 5.26+3.43+0.74 5.6+2.7+4.4
20.15+7.62+7.85 51.27-8.66-1.34 48.14-2.43-7.57
18.76-3.47-0.53 5.17-1.8-3.2 70.8-1.25-1.75
4.02-3.5+0.98 4.25-0.83+0.75 23.04-0.8-13.4-6.2
15.13+4.92-5.13 3.98-1.5+6.02 4.8+1.2-4.8+1.2
30.99-(8.5+15.99)72.6-(22.6+3.45)36.06-(5+6.06)
四年级下册小数加减法脱式计算题
四年级下册小数加减法脱式计算题
一、小明在计算小数加法时,将0.56和0.23相加,他应该先做什么?
A. 将两个小数的小数点对齐
B. 将两个小数都扩大100倍
C. 将两个小数都四舍五入到整数
D. 将两个小数都转换为分数(答案:A)
解析:在进行小数加法时,首先要将两个小数的小数点对齐,以确保相同数位上的数字能够正确相加。
二、小华在做小数减法时,被减数是1.25,减数是0.78,他计算的结果应该是多少?
A. 0.57
B. 0.47
C. 1.93
D. 0.63(答案:B)
解析:1.25 - 0.78 = 0.47,所以正确答案是B。
三、小丽在计算小数加法时,将1.3和2.65相加,但她在写结果时忘记了小数点,她写出的答案是多少?
A. 395
B. 3.95
C. 39.5
D. 0.395(答案:A)
解析:1.3 + 2.65 = 3.95,如果忘记了小数点,就会写成395,所以正确答案是A。
四、小刚在做小数减法时,被减数是3.42,减数是1.2,他计算时误将减数看作了1.200,这会影响他的计算结果吗?
A. 会,因为小数位数不同
B. 不会,因为小数末尾加0不改变其大小
C. 会,因为小数位数多了计算更复杂
D. 不会,但需要重新对齐小数点(答案:B)
解析:在小数中,末尾加0不改变其大小,所以小刚将减数看作了1.200,并不会影响他的计算结果,正确答案是B。
五、小红在计算小数加法时,将0.8和0.05相加,她计算的结果的末位数字应该是多少?
A. 3
B. 5
C. 8
D. 0(答案:A)
解析:0.8 + 0.05 = 0.85,末位数字是5,但考虑到小数点后的位数,实际末位数字是3(即0.85的百分位),所以正确答案是A。
六、小明在做小数减法时,被减数是5.67,减数是2.3,他计算的结果应该保留几位小数?
A. 一位 B. 两位
C. 三位
D. 四位(答案:B)
四年级下册小数加减法口算练习题及答案(四年级数学计算题100道)
计算题100道6.183.495.492.973.41-5.02+1.3+2.66+1.7+6.52=====2.128.763.251.335.31+3.59-2.65+4.75+5.64-2.95=====1.51.322.177.927.11+4.73+7.68+2.39+1.24-5.86=====2.145.356.322.983.14+7.33+2.11+3.06+1.55+6.55=====6.027.524.18.865.35+3.11-5.61-2.29-4.43+3.04=====8.294.065.688.623.14-2.83+2.49+2.73-8.52-1.17=====7.168.212.597.647.26-5.14-3.24-1.37-7.19+2.62=====4.617.834.685.376.24-2.06-5.91+3.14+1.45+3.38=====2.657.594.262.447.06+7.09-6.72+4.02+2.02+2.1=====4.125.7441.371.26-1.94-5.38+5.12+5.06+5.24=====4.18.466.226.364.8-2.52-3.27-5.01-2.07+1.3=====6.131.237.63.951.44-6.07+4.76-1.73+1.47+2.51=====7.757.722.334.313.96-5.36-4.18+6.41+1.4+5=====8.75.358.486.755.13-5.33-3.68-6.26+2.48+2.05=====2.096.048.862.412.09+5.94+2.28-3.91+5.57+2.71=====8.671.144.336.097.42-6.87+7.87+1.56-5.07-1.33=====2.827.688.432.293.85+4.03-3.37-4.68+2.23-1.43=====7.435.115.322.846.35-4.94+3.31+2.95+1.24+1.44=====4.916.068.594.277.34+2.88-1.73-7.15-2.94+1.35=====7.867.687.854.783.05+1.25-5.67-7.75+3.75+6.73=====计算题答案6.183.495.492.973.41-5.02+1.3+2.66+1.7+6.52=1.16=4.79=8.15=4.67=9.932.128.763.251.335.31+3.59-2.65+4.75+5.64-2.95=5.71=6.11=8=6.97=2.361.51.322.177.927.11+4.73+7.68+2.39+1.24-5.86=6.23=9=4.56=9.16=1.252.145.356.322.983.14+7.33+2.11+3.06+1.55+6.55=9.47=7.46=9.38=4.53=9.696.027.524.18.865.35+3.11-5.61-2.29-4.43+3.04=9.13=1.91=1.81=4.43=8.398.294.065.688.623.14-2.83+2.49+2.73-8.52-1.17=5.46=6.55=8.41=0.1=1.977.168.212.597.647.26-5.14-3.24-1.37-7.19+2.62=2.02=4.97=1.22=0.45=9.884.617.834.685.376.24-2.06-5.91+3.14+1.45+3.38=2.55=1.92=7.82=6.82=9.622.657.594.262.447.06+7.09-6.72+4.02+2.02+2.1=9.74=0.87=8.28=4.46=9.164.125.7441.371.26-1.94-5.38+5.12+5.06+5.24=2.18=0.36=9.12=6.43=6.54.18.466.226.364.8-2.52-3.27-5.01-2.07+1.3=1.58=5.19=1.21=4.29=6.16.131.237.63.951.44-6.07+4.76-1.73+1.47+2.51=0.06=5.99=5.87=5.42=3.957.757.722.334.313.96-5.36-4.18+6.41+1.4+5=2.39=3.54=8.74=5.71=8.968.75.358.486.755.13-5.33-3.68-6.26+2.48+2.05=3.37=1.67=2.22=9.23=7.182.096.048.862.412.09+5.94+2.28-3.91+5.57+2.71=8.03=8.32=4.95=7.98=4.88.671.144.336.097.42-6.87+7.87+1.56-5.07-1.33=1.8=9.01=5.89=1.02=6.092.827.688.432.293.85+4.03-3.37-4.68+2.23-1.43=6.85=4.31=3.75=4.52=2.427.435.115.322.846.35-4.94+3.31+2.95+1.24+1.44=2.49=8.42=8.27=4.08=7.794.916.068.594.277.34+2.88-1.73-7.15-2.94+1.35=7.79=4.33=1.44=1.33=8.697.867.687.854.783.05+1.25-5.67-7.75+3.75+6.73=9.11=2.01=0.1=8.53=9.78
四年级小数加减法竖式计算100道
1 / 8 四年级小数加减法
竖式计算
7.9+53.1= 56.8+23.1= 36.4-27.1= 51.1+35.9=
1.2+96.6= 4.6-35.6= 11.23-0.88= 22.56+14.62=
56.78-21.5= 96.1-43.2= 0.9+1.6= 4.5+3.4=
2.7+3.9= 41.6-4.8= 18.6+4.7= 1-0.44=
0.7+0.9= 3.25+0.75= 14.6-0.4= 10-0.1=
1-0.78= 20.1-0.3= 15.6-0.08= 11.1-5.6= 2 / 8
16.4+2.35= 84.2-6.22= 1.6+3.45=
17.2+25.9=
21.3+14.3= 9.13-8.28= 14.4+33.99= 29.8-14.6=
26.3-16.2= 35.2+56.8= 1.99+21.7= 13.88-9.21=
20.33+9.88= 36.5-5.71= 63.4+52.1= 93.1-20.9=
67.1-13.1= 123.9+455.6= 3.88-5.77= 33.72+22.3=
123.2+65.1= 16.3+97.5= 78.9+65.4= 22.5-19.5=
3 / 8
73.55-14.68= 46.32+65.18= 5.44+53.12= 96.42-13.88=
42.5+17.8= 63.22+22.77= 69.12-58.39= 63.2-45.4=
含小数的加减法简便计算练习题及答案(四年级数学计算题100道)
计算题100道6.851.474.118.498.61-3.43+4.13+1.33-1.44+1.2=====1.874.274.72.24.05+7.1-4.21-1.91+6.15+3.34=====5.785.847.282.368.47-2.99+4.15-5.67+4.46-2.04=====4.632.192.118.263.03-2.44+3.01+1.92-1.87+4.5=====8.756.675.893.141.31-8.64-4.61-3.33-2.94+3.66=====2.012.688.093.224.16+3.43+1.75-2.81+5.63+1.2=====8.438.247.672.983.95-5.92-7.56-2+4.84-2.87=====6.235.395.698.043.51-3.26+2.71+1.26+1.9-1.76=====3.111.73.795.645.68+3.59+1.31-1.44+1.35+3.03=====5.062.918.111.724.57-2.95+3.26-5.43+4.99+2.81=====3.613.974.268.155.03+4.6-2.25+5.68+1.16+1.49=====5.382.118.018.427.2+2.98+2.99-3.85-6.92+2.37=====4.948.24.677.814.45-2.11-3.8+4.8+1.38+2.35=====2.483.43.316.091.3+5.06-2.64+3.03-2.07+8.09=====7.882.881.364.547.96+1.88+3.52+3.9-4.4-6.59=====3.161.774.951.148.51-2.46+3.7-1.84+8.84-5.71=====1.398.654.97.573.52+6.97-4.82+3.66-4.12-1.93=====7.336.83.657.713.6-4.21-2.54-1.84-1.49+5.59=====4.717.735.251.837.45-3.79-3.57+1.78+4.25-5.28=====6.493.151.342.162.02-5.27+2.84+6.3+3.88+6.38=====计算题答案6.851.474.118.498.61-3.43+4.13+1.33-1.44+1.2=3.42=5.6=5.44=7.05=9.811.874.274.72.24.05+7.1-4.21-1.91+6.15+3.34=8.97=0.06=2.79=8.35=7.395.785.847.282.368.47-2.99+4.15-5.67+4.46-2.04=2.79=9.99=1.61=6.82=6.434.632.192.118.263.03-2.44+3.01+1.92-1.87+4.5=2.19=5.2=4.03=6.39=7.538.756.675.893.141.31-8.64-4.61-3.33-2.94+3.66=0.11=2.06=2.56=0.2=4.972.012.688.093.224.16+3.43+1.75-2.81+5.63+1.2=5.44=4.43=5.28=8.85=5.368.438.247.672.983.95-5.92-7.56-2+4.84-2.87=2.51=0.68=5.67=7.82=1.086.235.395.698.043.51-3.26+2.71+1.26+1.9-1.76=2.97=8.1=6.95=9.94=1.753.111.73.795.645.68+3.59+1.31-1.44+1.35+3.03=6.7=3.01=2.35=6.99=8.715.062.918.111.724.57-2.95+3.26-5.43+4.99+2.81=2.11=6.17=2.68=6.71=7.383.613.974.268.155.03+4.6-2.25+5.68+1.16+1.49=8.21=1.72=9.94=9.31=6.525.382.118.018.427.2+2.98+2.99-3.85-6.92+2.37=8.36=5.1=4.16=1.5=9.574.948.24.677.814.45-2.11-3.8+4.8+1.38+2.35=2.83=4.4=9.47=9.19=6.82.483.43.316.091.3+5.06-2.64+3.03-2.07+8.09=7.54=0.76=6.34=4.02=9.397.882.881.364.547.96+1.88+3.52+3.9-4.4-6.59=9.76=6.4=5.26=0.14=1.373.161.774.951.148.51-2.46+3.7-1.84+8.84-5.71=0.7=5.47=3.11=9.98=2.81.398.654.97.573.52+6.97-4.82+3.66-4.12-1.93=8.36=3.83=8.56=3.45=1.597.336.83.657.713.6-4.21-2.54-1.84-1.49+5.59=3.12=4.26=1.81=6.22=9.194.717.735.251.837.45-3.79-3.57+1.78+4.25-5.28=0.92=4.16=7.03=6.08=2.176.493.151.342.162.02-5.27+2.84+6.3+3.88+6.38=1.22=5.99=7.64=6.04=8.4
四年级小数加减法简便计算练习题
四年级数学简便计算练习卷
下面各题怎样算简便就怎样算。
(1)小数加减法计算
6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)
4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75+6.48)
3.68+7.56-2.68 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1 9.6+4.8-3.6 7.14-0.53-2.47
5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36
66.86-8.66-1.34 36.8-3.9-6.1 32+4.9-0.9
25.48-(9.4-0.52) 3.9-4.1+6.1-5.9 15.02-6.8-1.02
32+4.9-0.9 146.5-(23+46.5) 9.43-(6.28-1.57)
4.8+8.63+5.2+0.37 5.93+0.19+2.81
1.76+0.195+3.24
2.35+1.713+0.287+7.65 1.57+0.245+7.43
6.02+3.6+1.98
0.134+2.66+0.866 1.27+3.9+0.73+16.1
7.5+4.9-6.5
3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55
四年级数学下册:小数加减法简便运算专项练习(共5套,含知识点、练习和答案)
四年级数学下册:小数加减法简便运算专项练习
(共5套,含知识点、练习和答案)
1、整数加法的运算定律在小数运算中同样适用。2、加法交换律:a+b=b+a
加法结合律:(a+b)+c=a+(b+c)
减法的性质:a-b-c=a-(b+c)
a-b-c=a-c-b
括号前面如果是减号,去掉括号后,原括号里的运算符号要变号,即加号变减号,减号变加号。【注意】小数加减混合运算中,要想交换数的位置,一定要连同数前面的运算符号一起交换。【巧记】
小数加减混着算,运算顺序很关键。
有无括号首先看,有则先把括号算,
无则从左往右算,计算结果要检验。
简算只是方法变,计算结果不改变。3、小数加减混合运算的运算顺序和整数加减混合运算的运算顺序相同:
(1)在没有括号的算式里,若只有加减法,则应按照从左往右的顺序依次计算;
(2)若算式里有括号,则要先算括号里面的,再算括号外面的。
(3)整数减法的运算性质对于小数减法同样适用。
练习一
一、填空题。
1、一个三位小数四舍五入后是5.00,最大是( ),最小是( ),它们相差( )。
2、用数字卡片和小数点能够组成( )个不同的小数(每张卡片都要用上且不重复),最大的与最小的相差( )。
3、奇思在计算13.5+A时,把A的小数点向右移动了一位,得出的结果是19.3,正确的结果是( )。
二、判断题
14、小兰的身高是1.37米,爸爸比小兰高0.43米,妈妈比爸爸矮0.16米,妈妈的身高是1.64米。( )
15、0.8+0.9-0.8+0.9=0。( )
16、1.2与0.9的和比它们的差大0.7。( )
17、163-44+12.6与163-(44-12.6)的得数相等。( )
18、被减数减少1.2,减数增加1.2,差不变。(
三、用简便方法计算。
(1)3.54+27.4+4.46
(2)35.7+4.89-5.7
小学四年级下 小数的加减法练习题
- 1 - 小数的加减法
知识点一:计算小数加减法时要注意:(1)小数点对齐,也就是相同数位对齐;(2)从末尾算起,做加法时,要注意哪一位相加满十要向前一位进一,做减法时,要注意哪一位不够减要从前一位退一;(3)得数的末尾有0的,一般要把0去掉。
知识点二:小数的加减混合运算的运算顺序同整数加减混合运算的运算顺序相同。在没有括号的算式里,按照从左到右的顺序计算;算式里有括号的,要先算小括号内的。
例题练习
小数的加减法
(1) 59.46 + 18.28 = (2)46.31 - 21.76 =
(3) 1.76 - 1.12+2.3 = (4) 2.7-(10.6 -9.7)=
整数运算定律在小数中运用
585+189+215 768-274-126 5.67-(2.34+1.67)
5.85+1.89+2.15 24.8+14.6+15.4 5.85-1.75-0.25
应用与练习
1.你能把下面分数改写成小数再计算吗?
104101 1002710043 10061003 10013107
2、解决问题
1) 某天早上气温是6.5℃,中午气温比早上升高了3.1℃,晚上比中午降低了4.5℃, 请问这天晚上的气温是多少?
- 2 - 2) 某小学的同学利用周日采集树种,第一周采集2.8千克,第二周采集比第一周的少0.13千克,两周一共采集了多少千克?
3) 某商场举办“国庆”促销活动,所有袜子买五送一,一种袜子每双4.49元,李阿姨买了十二双,花了多少钱?
巩固与提高:
1、火眼金睛辩对错
(1)12.45-1.35-0.65
=12.45-(1.35+0.65)
四年级小数加减法竖式计算100道 2
四年级小数加减法竖式计算100道
四年级小数加减法
竖式计算
7.9+53.1=56.8+23.1=36.4-27.1=51.1+35.9=1.2+96.6=
56.78-21.5=
2.7+3.9=
0.7+0.9=
1-0.78=
16.4+2.35=
4.6-35.6=
96.1-43.2=
41.6-4.8=
3.25+0.75=
20.1-0.3=
84.2-6.22=
11.23-0.88=
0.9+1.6=
18.6+4.7=
14.6-0.4=
15.6-0.08= 1.6+3.45=
22.56+14.62=
4.5+3.4=
1-0.44=
10-0.1=
11.1-5.6=
17.2+25.9=21.3+14.3=9.13-8.28=14.4+33.99=29.8-14.6=26.3-16.2=35.2+56.8=1.99+21.7=13.88-9.21=20.33+9.88=
67.1-13.1=
123.2+65.1=
73.55-14.68=
42.5+17.8=
36.5-5.71=
16.3+97.5=
46.32+65.18=
63.22+22.77=
63.4+52.1=
3.88-5.77=
78.9+65.4=
5.44+53.12= 69.12-58.39=
93.1-20.9=
33.72+22.3=
22.5-19.5=
96.42-13.88=
63.2-45.4=
123.9+455.6=
42.55-0.69=0.55-0.33=45.96-24.41=75.2-28.3=1456.23+9.6-8.6=5.2+6.3-584.3=8.42+9.48=42.56+3.124=
80-52.1=
12.59+7.03=
14.9+3.49=
16.35+3.59=
91.26-30.35=15.6十0.237=
7.35-1.41=14.33+5.46=
四年级小数加减法口算题卡(15套)
4.39-1.25=
2.37-1.63=
9.76-2.38=
5.08+8.45=
7.33-3.6=
4.04+2.4=
9.73-2.15=
8.25-4.43=
4.85-2.18=
6.59-2.79=
9.14+3.19=
9.57-3.37=
4.66+4.23=
4.99+2.55=
2.07+4.17=
8.61+6.91=
7.5+8.47=
6.29-1.36=
6.84+4.22=
7.26+8.44=
6.72+5.58= 7.64+6.42=
2.7+3.92=
5.01+9.47=
8.04-4.71=
4.48-1.84=
9.81-5.02=
2.44-2.15=
8.12+7.88=
8.22-2.35=
8.3+1.67=
8.47+4.12=
6.01+9.28=
9.97+9.89=
8+2.66=
9.08-8.37=
4.77-2.86=
5.83+9.25=
5.56+9.9=
6.12+7.91=
4.81+2.52=
9.85+1.91= 9.03-6.64=
3.83+9.29=
9.54-3.19=
4.12+7.95=
6.53-1.65=
6.81-1.24=
8.76-2.63=
9.59-5.78=
8.84-4.52=
7.59-1.75=
2.55+3.21=
2.34+1.1=
1.68+8.61=
8.55-3.09=
5.31-4.94=
3.14+5.72=
1.6+6.87=
2.81+4.98=
4.29-3.82=
8.51+3.44=
8.75-7.04=
四年级小数加减法口算题卡(NO.01) 3.64-3.1=
6.83-6.64=
8.77-2.78=
5.21+4.66=
7.58-5.02=
9.57-7.41=
7.46+6.39=
4.33+3.48=
8.84+6.94=
9.95-2.97=
四年级数学上册:小数加减法口算练习600题
第 1 页 1.58-1.11=
4.76+3.21=
4.77-3.86=
3.65+3.75=
1.27+6.29=
6.06-5.93=
6.98-3.77=
7.95-2.68=
6.25+6.81=
1.84+2.06=
8.77+3.31=
8.11-5.25=
9.61-7.97=
7.56-2.61=
9.96+8.73=
8.96-2.44=
3.78+5.63=
7.9-3.66=
8.49-8.11=
4.89-3.03=
3.99+9.58=
5.51+9.41=
6.36+5.28=
4.74+7.79= 5.16+1.22=
8.6-5.44=
4.45+5.24=
7.25-1.2=
7.85-5.85=
7.71-7=
1.85-1.09=
3+4.39=
1.7+4.68=
5.62-3.42=
9.49+4.6=
5.52-2.89=
2.21+5.96=
7.43+7.3=
4.6-4.07=
3.99-3.06=
7.85+7.01=
7.58+9.51=
3.94-1.54=
5.23+4.84=
8.76-3.69=
9.8-2.6=
5.44+8.38=
9.49+6.44= 2.55+5.31=
6.3-1.93=
9.74+4.79=
2.25+4.14=
9.47-4.03=
6.38-4.26=
8.07+7.76=
2.79+9.2=
9.47+8.8=
4.35-1.85=
4.28-4.21=
5.26-2.53=
1.27+3.85=
9.65-4.51=
2.28+4.4=
6.39-1.48=
5.33+7.91=
6.49+4.97=
5.68+3.26=
