二年级数学上册一单元练习题
93-56+35=
23+32-19=
56+28-60=
21+82-60=
36+34-14=
73+12-71=
21+82-60=
44-5+12=
72-45+32=
54-21-18=
67-47+22=
21+82+17=
83-27+10=
54+21-18=
65-33-18=
68-65-3=
54-52+17=
88-51-24=
76-63+1=
63+18+11=
65+15-47=
77-34+55=
43-29+13=
35-28-28=
77-38+42=
60-34+35=
17+27-10=
55+38-15=
54-41+36=
99-88+77=
75+15-30=
92-26+11=
42-37+54=
77-64+22=
12+29-19=
69+10-
36=27+12-28=
67+27-37=
33-17+15=
75-36+10=
72-54+12=
65-39-15=
62-18+24=
54+21+18=
53-29+19=
35+12-28=