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数学怎么口算话100的+-法

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答案和解析
100以内加减法
9-0= 82+23= 96-31= 44-20= 97+16=
15+61= 95-42= 47+17= 4+25= 66+48=
31-3= 20+88= 28-12= 19+3= 57-41=
6+93= 5+8= 60-23= 2+41= 71-21=
94-61= 2+53= 47+15= 27-7= 35+79=
71+85= 63-35= 52+42= 59-38= 31+39=
13-3= 73-57= 82+25= 72-59= 58-53=
60-36= 54+11= 99-98= 34+7= 79-69=
59-51= 83+8= 67+33= 3+40= 95-46=
73+56= 5-4= 69+2= 68+17= 97-14=
39+33= 8-0= 30-26= 78-77= 25-9=
1+56= 0+71= 29-20= 97+16= 15+61=
95-42= 47+17= 4+25= 66+48= 31-3=
20+88= 28-12= 19+3= 57-41= 6+93=
5+8= 60-23= 2+41= 71-21= 94-61=
2+53= 47+15= 27-7= 35+79= 71+85=
63-35= 52+42= 59-38= 31+39= 13-3=
73-57= 82+25= 72-59= 58-53= 60-36=
54+11= 99-98= 34+7= 79-69= 59-51=
83+8= 67+33= 3+40= 95-46= 73+56=
5-4= 69+2= 68+17= 97-14= 39+33=
8-0= 30-26= 78-77= 25-9= 1+56=
0+71= 29-20= 97+16= 15+61= 95-42=
47+17= 4+25= 66+48= 31-3= 20+88=
28-12= 19+3= 57-41= 6+93= 5+8=
60-23= 2+41= 71-21= 94-61= 2+53=
47+15= 27-7= 35+79= 71+85= 63-35=
52+42= 59-38= 31+39= 13-3= 73-57=
82+25= 72-59= 58-53= 60-36= 54+11=
99-98= 34+7= 79-69= 59-51= 83+8=
67+33= 3+40= 95-46= 73+56= 5-4=
69+2= 68+17= 97-14= 39+33= 8-0=
30-26= 78-77= 25-9= 1+56= 0+71=
29-20= 97+16= 15+61= 95-42= 47+17=
4+25= 66+48= 31-3= 20+88= 28-12=
19+3= 57-41= 6+93= 5+8= 60-23=
2+41= 71-21= 94-61= 2+53= 47+15=
27-7= 35+79= 71+85= 63-35= 52+42=
59-38= 31+39= 13-3= 73-57= 82+25=
72-59= 58-53= 60-36= 54+11= 99-98=
34+7= 79-69= 59-51= 83+8= 67+33=
3+40= 95-46= 73+56= 5-4= 69+2=
68+17= 97-14= 39+33= 8-0= 30-26=
78-77= 25-9= 1+56= 0+71= 29-20=
97+16= 15+61= 95-42= 47+17= 4+25=
66+48= 31-3= 20+88= 28-12= 19+3=
57-41= 6+93= 5+8= 60-23= 2+41=
71-21= 94-61= 2+53= 47+15= 27-7=
35+79= 71+85= 63-35= 52+42= 59-38=
31+39= 13-3= 73-57= 82+25= 72-59=