二年级上册数学竖式计算.doc

文档介绍：37+28+19=
54+20+16=
7+59+20=
19+55+25=
25+34+30=
19+40+30=
24+45+30=
48+36+5=
17+18+64=
24+48+17=
45+36+18=
30+5+64=
55+30+8=
15+39+36=
51+30+9=
24+21+45=
24+51+15=
45+9+36=
21+30+39=
51+37+9=
28+29+26=
26+40+8=
85-40-26=
90-58-24=
72-6-40=
56-12-17=
40-23-12=
36-4-32=
81-7-70=
67-25-28=
70-23-35=
78-24-39=
98-28-9=
71-26-7=
67-25+28=
56+34-20=
78-24+39=
70-23+45=
37+10-5=
74+6-80=
39+8-20=
56+8-20=
18+8-20=
69+30-45=
26+40-8=
65+18-39=
71-65+43=
24+51-19=
30-21+39=
45+36-9=
35-16+39=
45-9+15=
28+43-24=
23+41-39=
98-37+16=
90-11+32=
31+52-17=
96-60+24=
17+6-8=
43-8+30=
50+27-9=
42-8+35=
46-39+7=
27+50-9=
75+9-73=
28+4-24=
70-4+18=
7+26-18=
82-7+13=
20+34-49=
99-34+18=
1+99-68=
36+5+25=
17+80-47=
63-40-9=
81-25-35=
55-29-17=
77-64+67=
97-15-63=
95-6-62=