以内两位数进位加法退位减法计算题
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40-15= 41+29= 41-23= 33-19= 33+19= 45-16= 45+16= 17+28= 53+39= 28+35= 94-16= 35-28= 53-36= 28-19= 44-16= 44+16= 38+36= 42-33= 42+33= 25+46= 46-29= 50-35= 55+35= 49+36=
55+45=
49+49=
36+36=
25+25=
48+48=
42-39=
42+39=
39+39=
45+16=
33+19=
46-29=
55+35=
42-39=
42+39=
38+36=
41-23=
40-15=
53+39=
94-16=
53-36=
44-16=
39+39=
25+25=
49+49=
45-16=
33-19=
41+29=
17+28=
28+35=
35-28=
28-9=
44+16=
43-36=
50-35=
25+46=
42-33=
55+45=
100-39=
100-48=
100-5=
33+48=
32+48=
41-32=
18+22=
33-18=
33+18=
45+26=
45-26=
43-16=
43+18=
35-17=
35+17=
41-22=
48+22=
30-18=
34+18=
67+25=
63-25=
45+55=
49-38=
49+38=
52-26=
52-26=
49+29=
40-29=
28+28=
38+46=
49+25=
28+64= 64-28= 45-8= 45+8= 36+6= 47-9= 21-12= 25-18= 50-36= 35+46= 46-37= 48-9= 48+9= 39-17= 39+17= 28+56= 56-28= 30-12= 27+13= 27-18= 85-77= 98-69= 63+17=
85-47=
45+45=
35+47=
38+43=
43-37=
18+22=
33-18=
33+18=
45+26=
45-26=
43-16=
46+16=
35-17=
35+17=
41-22=
48+22=
30-18=
33+18=
67+25=
63-25=
45+55=
66+26=
45+54=
54-45=
25-16=
56-17=
29+16=
56+17=
47-8=
48+7=
30-12=
30-8=
50-36=
45-18=
45+18=
57+36=
35+16=
33+18=
12+19=
33-18=
15+15=
14+16=
17+17=
18+14=
15+16=
14+19=
13+17=
17+18=
18+19=
19+19=
21+29=
16+16=
23+37=
25+28=
26+27=
28+29=
27+28=
33+37=
31+39=
35+36=
36+37=
39+38=
35+46=
87+13=
25+65=
87-29= 98-29= 36-29= 65-26= 34-25= 87-78= 56-18= 63-14= 63-18= 63-27= 63-29= 55-17= 55-27= 55-49= 53-27= 50-27= 55-29= 50-19= 55-46= 58-9= 56-28= 58-49= 46-28=
52-36=
46-27=
47-8=
47-18=
47-39=
95-36=
95-56=
95-48=
95-78=
95-87=
95-36=
95-56=
95-58=
95-48=
95-46=
95-58=
95-66=
95-39=
95-88=
95-77=
63-25=
63-55=
63-44=
63-49=
63-58=
63-19=
63-58=
93-75=
88-19=
44-18=
66+18=
22-18=
44+18=
77-18=
22+18=
55-18=
77+18=
33-18=
55+18=
72-18=
66-18=
33+18=
72+18=
55-17=
42-17=
33-17=
55+17=
36-17=
44-17=
66+17=
15+17=
44+17=
77+17=
33+17=
96-8=
85-73=
98-52=
63-55=
88-39=
32+9=
90-27=
66-39=
27+23=
64-26=
92-27=