一年级100以内加减混合运算练习600题
90-87+27=
58+12+29=
34-28+22=
47-29-10=
91-82+86=
98-9+3=
94-73-12=
84-54-26=
31+16+30=
95-82-3=
60-13+45=
53+15-20=
78-60+61=
30+2+4=
63-34+54= 59-42-14=
36+35-6=
36+4+49=
43-22+39=
83-35-12=
87-46+36=
93-21+5=
56+8-18=
62-37+45=
94-39+36=
41+21-36=
60-33-4=
67-29-19=
69-20-3=
60+12+14= 92-30+10=
47-37+32=
63+24-12=
96-9+2=
54+23+22=
60+9-25=
74+7+10=
69-37-6=
92-41+46=
84-35-7=
37-10-2=
31+60-7=
98-5+7=
38+26-10=
94-69+18= 43+42-5=
38+14-9=
60+9+19=
84-27-4=
68-44-23=
55-5-0=
34+25+10=
74-23+23=
34+13+38=
87-23+32=
66+2+23=
68-39-19=
75+19+3=
30+63-4=
45+6+6= 55-38+20=
55+34-7=
98-80+43=
71-14-8=
99-29-11=
38-17-7=
85-32-29=
59+4-16=
93-35-27=
91-37+21=
96-20+11=
32+44-11=
69+4-24=
34-24+4=
98-81-14= 80+4-3=
59+12+1=
58+3-14=
46-15+33=
54+22+5=
34+56-4=
94-71+60=
52-23-2=
96-2+1=
86-25-14=
67+1+11=
74-66-2=
30+46-14=
66+21-6=
42-24-1= 69+3-2=
34-3+30=
76-23+27=
77-50+48=
60-26-24=
75+8-8=
75-9+4=
63+1-8=
69-15+21=
88-35-19=
86-72+36=
77-41+9=
82-54-22=
63-52-6=
56-41-4= 57+29+2=
39+21-25=
65+4+7=
53+33+10=
53-46+50=
51+9-18=
62+7+25=
66-32-24=
50+36+2=
90-20+4=
53+35-1=
49-20+11=
38+13+15=
89-21-12=
39-30-5= 82+1-1=
83-65-15=
56+10-27=
62-46-6=
40+6+33=
58-33+55=
69-16+32=
37+3+12=
68+10-9=
72+16-5=
72+2+3=
62-9+33=
44+40-13=
50-17-5=
89-62+22= 87-42-7=
61-51-6=
38+6-2=
60+19-8=
43+12-35=
56-10+1=
44-41+20=
91-81+38=
98-58-31=
85+2+6=
70-10+37=
70-42-20=
38+47-13=
89-13+10=
75-44-12= 67+1+7=
93-83+5=
52-26-18=
59-27+34=
87-35+5=
52+12-1=
54-27-25=
79-49-29=
80-59+64=
67+20+6=
75+14-0=
65+3-4=
32+31+29=
37+18+5=
74+7+10= 60+4+2=
77+1+12=
95-77+58=
45+49+5=
52+2-17=
88-19-8=
93-16+1=
81-18+32=
72-48-5=
45+22+13=
72-43+47=
96-41-23=
44+21-31=
74+3+3=
90-32+30= 73-35+11=
90-73-6=
50-7+44=
60-19+49=
94-35+17=
63-39-2=
72+13+0=
76-30+49=
54-9-1=
77+9-6=
80-65-6=
71-4+29=
72-37+38=
52-35-2=
68-40+48= 80-43-0=
75-31-13=
80-67-6=
67+6+19=
64-30-0=
82-66+76=
32-12-9=
59+4-17=
45+43+8=
90-51-29=
65+16+13=
38+6-31=
55-8+30=
76-30-9=
54+5-29= 40+9-5=
39+1-36=
39+11+47=
61-31-16=
64-19-3=
58+17+1=
37-16-7=
83-75-2=
91-39+22=
83-36-30=
69-9+40=
62+20+2=
86-35+36=
46+1+45=
85-51+58= 51-35+47=
94-4+9=
40+17-16=
76+3-7=
32-18+21=
59-44-11=
80-46+54=
71+18-10=
47+1-40=
78-35-13=
68-55-1=
60+15+7=
82-72-3=
39-7+35=
71-14+30= 84-59+47=
64-54-9=
55-6+48=
87-56-27=
71-3+16=
31-8-3=
82-68-9=
45+18-26=
45+21-10=
45+45-9=
99-25+1=
56+25+0=
48-7+35=
98-84-11=
92-7+10= 47-11-4=
66-24+10=
72+7-8=
76+1+3=
52+25+11=
56+21+16=
73+4+20=
95-59+49=
41-11-4=
97-63-19=
34+38-15=
52+31-11=
39+47-6=
38+36-22=
85-31+36= 74-5+29=
72-37-14=
79-51-25=
52+7+23=
48+36-14=
54+13-1=
81-48+24=
89-3+3=
75-67-2=
47+36-1=
93-48-41=
78-2+6=
43-9+35=
91-11-10=
58+23+7= 37+12-22=
53+18-4=
40-18-6=
75-46+29=
57+26-15=
37-33+14=
62+10-19=
51-14+6=
68-25-2=
49-32-10=
95-23+21=
45-15-10=
92-2+9=
57+23+5=
50+19+14= 42-8+41=
66-44-19=
63-2+35=
31+0-9=
85-30+12=
47+32-8=
88-23+21=
60-46-12=
54+1-28=
63+30-4=
98-22-19=
61+6-18=
66+9-10=
63-56+57=
55-25-22=
小学数学100以内加减混合带括号的运算练习(共319题,附答案)
小学数学100以内加减混合带括号的运算练习
001、76 - ( 10 + 26 ) =
002、28 - ( 43 - 21 ) =
003、16 + 45 + 13 =
004、49 - ( 39 - 18 ) =
005、42 - ( 75 - 68 ) =
006、97 - ( 70 - 26 ) =
007、44 - 21 + 45 =
008、6 + 92 - 94 =
009、92 + 27 - 51 =
010、84 - ( 16 - 6 ) =
011、35 - 8 - 21 =
012、26 + 76 - 6 =
013、54 + 40 - 56 =
014、84 - ( 62 - 19 ) =
015、94 - ( 35 + 15 ) =
016、25 + 41 - 29 =
017、76 - ( 80 - 64 ) =
018、93 - ( 48 - 23 ) =
019、85 + 23 - 13 =
020、68 - ( 38 - 20 ) = 021、83 - 27 - 10 =
022、72 - 22 - 34 =
023、71 - 30 - 35 =
024、74 - ( 77 - 31 ) =
025、57 - 44 + 22 =
026、19 + 56 - 29 =
027、30 - 26 + 21 =
028、94 - ( 19 + 56 ) =
029、44 + 35 - 32 =
030、16 - 12 + 79 =
031、90 - ( 49 - 18 ) =
032、98 - 74 - 6 =
033、76 - ( 89 - 17 ) =
034、66 + 70 - 50 =
035、37 - 26 + 14 =
036、39 + 77 - 17 =
037、54 + 99 - 73 =
038、21 - ( 37 - 18 ) =
039、31 + 63 - 71 =
一年级100以内加减混合运算练习600题-1年级加减法混合运算
90-87+27=
58+12+29=
34-28+22=
47-29-10=
91-82+86=
98-9+3=
94-73-12=
84-54-26=
31+16+30=
95-82-3=
60-13+45=
53+15-20=
78-60+61=
30+2+4= 63-34+54=
59-42-14=
36+35-6=
36+4+49=
43-22+39=
83-35-12=
87-46+36=
93-21+5=
56+8-18=
62-37+45=
94-39+36=
41+21-36=
60-33-4=
67-29-19= 69-20-3=
60+12+14=
92-30+10=
47-37+32=
63+24-12=
96-9+2=
54+23+22=
60+9-25=
74+7+10=
69-37-6=
92-41+46=
84-35-7=
37-10-2=
31+60-7=
98-5+7=
38+26-10=
94-69+18=
43+42-5=
38+14-9=
60+9+19=
84-27-4=
68-44-23=
55-5-0=
34+25+10=
74-23+23=
34+13+38=
87-23+32=
66+2+23= 68-39-19=
75+19+3=
30+63-4=
45+6+6=
55-38+20=
55+34-7=
98-80+43=
71-14-8=
99-29-11=
38-17-7=
85-32-29=
59+4-16=
93-35-27=
91-37+21= 96-20+11=
32+44-11=
69+4-24=
34-24+4=
98-81-14=
80+4-3=
59+12+1=
58+3-14=
一年级100以内加减法混合练习题(3600道)
姓名:45-35=29+24=72+7=87-72=48+27=60-29=21+55=62+26=1+35=31-20=71+25=75+24=94-25=23+41=20+55=24+43=43+1=68+6=57-44=74-55=97-7=50+23=83-22=1+18=25+58=49+25=46-28=100-57=47-6=5+91=66+34=76-65=61-55=15+77=29+68=75-14=60+6=2+61=50+20=10+32=29+71=12+17=86-38=62+32=51-33=68+20=92-58=78-15=94-39=47-29=11+87=50+16=41-11=86-73=91-73=76+4=97-38=97-34=44+5=100-56=11+66=73+26=41+34=36+49=9+57=94-54=20+20=45+13=97-62=2+81=65+24=13+55=44-37=43+53=4+20=59-54=69+31=8+6=45+40=4-1=55-54=87-34=49+49=84+1=73-37=62-3=25+45=3+67=84-50=79-68=84-71=54+46=100以内混合加减法口算姓名:13+84=17+46=80-66=52-11=13-4=39+55=80-70=33-9=16+71=74-33=33+25=58-8=94-81=94-47=93-68=12+7=51-11=64-11=31+27=58+16=76-14=65-50=99-71=53-4=90-38=88-10=51-3=23-10=43+23=65+12=99-14=21+35=62+3=43+41=4+76=48+7=63-24=20+33=20+53=2+55=56+14=92-49=75-6=44-31=81+1=19+76=9+23=59+3=19+10=98-86=52+28=16-14=96-41=65+2=37+47=30+41=25+10=80+1=61-48=67+12=100-89=84-10=7+36=65-21=61+9=57-19=33-15=23+24=9+16=75+13=61-25=8+72=4+35=66-45=52-5=9+54=12+2=21+25=27+68=51-49=16+68=27+34=62-61=32-1=46-4=83-35=90-89=92-83=58-33=71-58=16+84=39-13=50-42=90+3=45+55=81-2=73+15=68-52=68+15=74-49=姓名:49+30=43-30=45+17=69-29=43-27=80-54=91-25=83+7=20+75=79-56=79+8=64-32=99-29=36+64=59+37=48-29=19+56=7+35=4+54=39-36=33+55=34+8=68-9=8+91=35+46=59-36=57+15=89-53=34+13=59-27=94-34=6+67=59-13=67+19=90-33=55+5=99-22=20+16=27+45=23-17=98-63=64+17=50+11=43+42=49+31=37+55=94-20=68+15=91+2=78+11=34+24=64-4=92-40=17+43=95-75=68-11=86-26=98-92=39-15=10+15=54-46=81-9=30+12=2+94=69-3=16+43=54-5=21+5=74-70=58+13=45+36=34-16=79-68=92+3=16+7=95-83=45+21=63-39=31+28=17+43=11-6=65-39=48+51=91-37=23+36=62+12=51+25=78-57=23+28=83-35=8+81=68-44=90+9=27-12=79+6=71-17=25+75=35+27=41+39=9+5=姓名:10+34=65-17=91-20=22+38=84+3=57-46=14+12=27-14=57+31=45+45=92-79=29+30=79-65=34+65=80-20=83-31=84-38=72-4=38-15=74-68=87-31=41-21=55-39=27+70=60+22=35+53=20+22=24+49=50+9=60+16=33-3=45-43=56-6=15-11=47-22=65-23=68-57=90-5=69-36=100-28=96-90=81+2=10+3=37+47=15+83=18+3=72-30=42+2=81+14=71-69=33+30=48-7=47+34=50+36=72-6=17+1=99-65=27+71=8+23=50+18=32+65=82+6=89-51=63+10=19+12=55-21=20-6=59-38=48+18=98-25=8+57=23-6=45-35=7+46=71-20=80-6=74+24=25+6=13+41=68-6=87-16=65-4=5+15=59-5=93-13=7+61=18+28=81+18=46-41=53+3=90+5=24-3=58-47=31+4=29+54=78+4=38-20=76-65=67-64=55-16=姓名:95-14=68-55=81-25=26+50=57+5=15+42=23-9=80-61=50-24=32+14=61+27=20+5=68-26=12+76=28-22=88-8=42+49=69-30=92-2=86-77=67-56=20+59=47+22=51+27=86+12=55-15=2+73=13+74=100-10=19+49=58+28=80+18=48-16=98-11=88+4=93-33=64-42=31-3=90-5=34+53=39+28=9+2=21+37=72+23=14+13=58+29=100-58=40-33=17+59=54+25=28+48=76+14=28+34=35+35=42-27=83-62=21+37=60+6=100-7=69-8=66+30=29-14=37+45=98-44=98-96=48+7=66-63=65+9=38+38=80-33=79-55=29+67=33+41=75-63=51-25=39-23=84-53=84-31=46-7=82+13=82-50=93-21=82-27=93-38=2+45=23+64=82+15=73+23=16+21=58-46=4+20=95-26=34-18=59+5=84-74=57+19=5+31=11+46=43-7=39+9=姓名:25+73=57+35=69-11=90-29=75-29=68-25=52+43=89-42=32+49=59-35=14+42=44-28=14+3=2+3=77+9=8+10=76-57=28+28=55+21=50-19=27+69=48+16=28+53=18+56=65-17=70-47=83-76=79-32=52-1=27+39=19-15=20+26=1+81=76-58=83-40=34-13=90+6=61-3=50-19=27+34=51-27=89-56=89-10=89-67=12+52=87+3=56+9=5+48=54+1=87+5=89-70=96-43=43+32=2+48=22-10=92-63=22+62=91-57=44-32=48-47=90-87=87+11=64-42=53+22=8+6=83-23=8-3=16+70=14+38=25+72=78-16=46-29=9+82=61+29=82-35=12+58=19+72=17+28=8+31=99-45=53+33=64-61=71-68=7+5=32+18=86-30=8+91=2+75=83-82=34+50=24+18=95-75=99-41=77+9=76-12=17+3=78+2=96-31=25+8=72+10=姓名:20-8=65+21=17+40=70+26=65+25=9-5=37-32=39+45=41+39=89-88=74-33=29+24=79+8=36+22=92-66=60-29=91-11=58-12=61+25=31-20=42+20=92-36=80-2=23+41=65-59=33+58=100-44=68+6=32+64=48+13=39-4=50+23=96-38=57+13=89-54=49+25=18-1=24+53=91+1=5+91=43+33=100-71=79-35=15+77=100-64=33-30=65+34=2+61=3+49=14-1=76+22=12+17=88-32=25+29=96-27=68+20=38+35=57+41=75-15=47-29=54+31=60-4=95-52=86-73=12+54=85+6=88-47=97-34=36+17=8-3=41-8=73+26=9+35=59+17=35-15=94-54=27+55=98-71=84-76=2+81=4+16=63-5=88-10=43+53=47+35=93-8=56-1=8+6=35+20=6+7=41+2=87-34=83+13=24+42=19-17=62-3=46-9=67-30=20+1=79-68=姓名:56+16=74+15=48-25=17+46=33-17=71-58=14+14=39+55=11+9=80-3=95-4=64+3=25+7=62-2=83+5=83+10=56+20=64+6=65+3=15-3=32+6=29-7=35+2=73+4=43+5=87+10=39-3=48-30=81-2=60+8=39+10=76+10=48-9=47-8=52-4=43-8=40-2=27-9=32-4=41-2=50-8=63-9=37-8=56-20=75-9=92-3=42-7=71-6=47-8=26-7=52-3=69-10=80-2=36-9=78-4=65-8=72-2=45-9=86-8=96-2=40-2=46-9=43-4=18-2=35+5=85+2=59-4=78+10=64+6=32+7=49-5=63+3=60-4=11+20=45-3=30+8=25+4=36-5=84+4=52-3=88-4=76+0=93-3=18+5=56+20=64+6=65+3=15-3=12+6=29-7=33+2=3+40=23+5=37+1=29-3=38-3=18-2=30+8=43+1=86+2=姓名:29+33=16+80=67+28=75+4=
一年级100以内加减混合运算练习600题-1年级加减法混合运算 2
90-87+27=
58+12+29=
34-28+22=
47-29-10=
91-82+86=
98-9+3=
94-73-12=
84-54-26=
31+16+30=
95-82-3=
60-13+45= 53+15-20=
78-60+61=
30+2+4=
63-34+54=
59-42-14=
36+35-6=
36+4+49=
43-22+39=
83-35-12=
87-46+36=
93-21+5= 56+8-18=
62-37+45=
94-39+36=
41+21-36=
60-33-4=
67-29-19=
69-20-3=
60+12+14=
92-30+10=
47-37+32=
63+24-12=
96-9+2=
54+23+22=
60+9-25=
74+7+10=
69-37-6=
92-41+46=
84-35-7=
37-10-2=
31+60-7=
98-5+7=
38+26-10= 94-69+18=
43+42-5=
38+14-9=
60+9+19=
84-27-4=
68-44-23=
55-5-0=
34+25+10=
74-23+23=
34+13+38=
87-23+32= 66+2+23=
68-39-19=
75+19+3=
30+63-4=
45+6+6=
55-38+20=
55+34-7=
98-80+43=
71-14-8=
99-29-11=
38-17-7=
85-32-29=
59+4-16=
93-35-27=
91-37+21=
96-20+11=
32+44-11=
69+4-24=
34-24+4=
98-81-14=
80+4-3=
59+12+1= 58+3-14=
100以内连加、连减、加减混合运算练习题
100以内连加、连减、加减混合运算练习题
95-12+11= 51+71-34= 66-31+59=
21+39+28= 98-23-22= 25+44+27=
88-19+19= 65+64-30= 30+60+10=
92-29+19= 98-63+56= 100-10-13=
90-65+67= 51+19+28= 41+26-59=
67+85-96= 85+58-53= 51+61-56=
52+57-84= 84+32-80= 25-25+98=
54+19-73= 35+21+27= 96-16+18=
100-12-29= 88-11-22= 45+42+12=
41+60-18= 83-68+66= 70+20+10=
100以内连加、连减、加减混合运算练习题
24+78-72= 39+19-39= 94-55+34=
59+61-83= 72-36+56= 97-24-64=
53-24-25= 20+10+24= 65+13+21=
84+61-84= 59+29-71= 46+19+23=
94-20+11= 96-19-13= 99+93-94=
37+45+11= 83-70-11= 34+13+39=
92+60-81= 100-10-18= 27+12-12=
一年级100之内加减混合运算练习600题
90-87+27=
58+12+29=
34-28+22=
47-29-10=
91-82+86=
98-9+3=
94-73-12=
84-54-26=
31+16+30=
95-82-3=
60-13+45=
53+15-20=
78-60+61=
30+2+4=
63-34+54=
59-42-14=
36+35-6=
36+4+49=
43-22+39= 83-35-12=
87-46+36=
93-21+5=
56+8-18=
62-37+45=
94-39+36=
41+21-36=
60-33-4=
67-29-19=
69-20-3=
60+12+14=
92-30+10=
47-37+32=
63+24-12=
96-9+2=
54+23+22=
60+9-25=
74+7+10=
69-37-6= 92-41+46=
84-35-7=
37-10-2=
31+60-7=
98-5+7=
38+26-10=
94-69+18=
43+42-5=
38+14-9=
60+9+19=
84-27-4=
68-44-23=
55-5-0=
34+25+10=
74-23+23=
34+13+38=
87-23+32=
66+2+23=
68-39-19= 75+19+3=
30+63-4=
45+6+6=
55-38+20=
55+34-7=
98-80+43=
71-14-8=
99-29-11=
38-17-7=
85-32-29=
59+4-16=
93-35-27=
91-37+21=
96-20+11=
32+44-11=
69+4-24=
34-24+4=
98-81-14=
80+4-3= 59+12+1=
58+3-14=
(完整word版)一年级100以内加减混合运算测验600题
1 / 17 90-87+27=
58+12+29=
34-28+22=
47-29-10=
91-82+86=
98-9+3=
94-73-12=
84-54-26=
31+16+30=
95-82-3=
60-13+45=
53+15-20= 78-60+61=
30+2+4=
63-34+54=
59-42-14=
36+35-6=
36+4+49=
43-22+39=
83-35-12=
87-46+36=
93-21+5=
56+8-18=
62-37+45= 94-39+36=
41+21-36=
60-33-4=
67-29-19=
69-20-3=
60+12+14=
92-30+10=
47-37+32=
63+24-12=
96-9+2=
54+23+22=
60+9-25= 2 / 17 74+7+10=
69-37-6=
92-41+46=
84-35-7=
37-10-2=
31+60-7=
98-5+7=
38+26-10=
94-69+18=
43+42-5=
38+14-9=
60+9+19= 84-27-4=
68-44-23=
55-5-0=
34+25+10=
74-23+23=
34+13+38=
87-23+32=
66+2+23=
68-39-19=
75+19+3=
30+63-4=
45+6+6= 55-38+20=
55+34-7=
98-80+43=
71-14-8=
99-29-11=
38-17-7=
85-32-29=
59+4-16=
93-35-27=
91-37+21=
96-20+11=
32+44-11= 3 / 17 69+4-24=
34-24+4=
98-81-14=
80+4-3=
100以内加减混合运算(1600道题天天练-可直接打印)
100以加混合算内减运 20 年 月 日 姓名 得分
第 1 页,共 55 页100-89+8=42-17+28=56-19+28=36+4-24=
40+27-37=54-34+3=95-60+60=45+30-21=
64+19-60=99-39+3=69+2-4=71-42+41=
18+46-26=49-6+12=31+43-3=56-28+35=
93+4+2=87+10+7=72+22+2=69+16+6=
14+16+30=65+25+7=6+21+51=28+56+1=
70+4+17=95+1+3=34+11+52=65+26+3=
78+19+2=87+7+1=47+28+18=68+23+8=
47-25-3=63-44-6=44-19-18=89-51-24=
31-25-3=82-53-10=85-44-8=98-23-17=
82-9-3=98-97-1=96-84-2=74-40-24=
86-42-23=63-55-5=83-44-18=91-28-24=
53+23-43=24-2+7=57+31-38=98-18+8=
41+21-22=65-55+19=89-61+62=98-57+51=
50+4=4+25=32+21=38+32=
84+1=42+28=13+8=19+2=
64+20+13=35-25-1=32+12-5=74+21+5=
27+37-22=72+17+8=86-19-41=83+16+1= 100以加混合算内减运 20 年 月 日 姓名 得分
第 2 页,共 55 页78+9+2=23+12+48=97+35-54=75+22+2=
30-28+50=85-49-14=43+10+32=45+63-62=
53+23-43=24-2+7=57+31-38=98-18+8=
41+21-22=65-55+19=89-61+62=98-57+51=
87-70+80=72-12+15=47+34-73=28+31-23=
一年级数学加减混合运算题100以内
一年级数学加减混合运算题100以内
一年级学生的加减混合运算题,所有数字都在100以
内:
23 + 18 - 11 =
56 - 24 + 17 =
39 + 12 - 20 =
71 - 33 + 15 =
45 + 16 - 28 =
67 - 29 + 22 =
19 + 34 - 17 =
82 - 46 + 14 =
9 + 58 - 31 =
63 - 25 + 18 =
27 + 13 - 19 =
59 - 21 + 16 =
41 + 8 - 24 =
75 - 37 + 20 =
36 + 20 - 23 =
64 - 28 + 21 =
11 + 38 - 15 =
86 - 49 + 13 =
7 + 52 - 29 =
68 - 22 + 17 =
32 + 14 - 21 =
51 - 23 + 20 =
47 + 5 - 26 =
78 - 39 + 12 =
29 + 16 - 22 =
62 - 27 + 23 =
9 + 35 - 18 =
84 - 47 + 11 =
17 + 43 - 25 =
65 - 28 + 24 =
30 + 11 - 16 =
57 - 20 + 19 =
42 + 7 - 23 =
79 - 41 + 10 =
34 + 15 - 27 =
61 - 26 + 25 =
12 + 37 - 19 =
81 - 44 + 16 =
6 + 50 - 28 =
69 - 21 + 15 =
26 + 10 - 17 =
53 - 25 + 22 =
48 + 3 - 24 =
77 - 38 + 13 =
31 + 13 - 20 =
60 - 24 + 23 =
14 + 36 - 21 =
85 - 48 + 12 =
5 + 49 - 27 =
70 - 23 + 18 =
这些题目旨在帮助一年级学生练习加减混合运算,提高
一年级数学100以内加减混合运算口算题(1800题)
练习一
39-23-13= 45-9-34= 99-85-12=
98-12-84= 59+11+11= 34+18+12=
25+16+13= 14+7+14= 25-8+10=
27-13+20= 44-24+11= 52-28+9=
80-20-60= 84-20-25= 74-50-17=
64-34-17= 40-28+28= 43-29+27=
60-30+10= 18+30-11= 30+26+16=
7+18+17= 57+8+18= 62+9+19=
36-23+18= 45+9-34= 99-85+17= 98-84+19= 88-9-72= 82-10-68=
练习二
88-44-14= 66-33-3= 78-24-14=
22+26+18= 36-12+12= 55+25-23=
47-25+13= 78-25-15= 33+39-19=
58+60-28= 28+31-11= 42+36-22=
33+28-18= 36+25-36= 78+13-58=
66+50-56= 89-45-44= 93-12-31=
87-55-12= 66-33+4= 28+13+22=
26-19+24= 33+19-33= 47+14-27= 75-25+26= 34-18+36= 19+28-9=
33-18+35= 48+16-28= 73-11-22=
练习三
69-47-11= 58-15-40= 72-35+16=
58-22-27= 5+37+27= 17+33+11=
