二年级进位加、退位减竖式计算题每日一练(200题)
怎么测网速-
33+59=
65-28=
42+29=
37-28=
55+26=
83-66=
65+28=
36+25-48=
94-38-29=
75-26+39=
44+39=
53-26=
78+19=
60-24=
46+37=
64-55=
74+19=
36+45-28=
67-29+54=
29+36-38=
64+39=
38-29=
33+29=
61-45=
73-26=
66+18=
52-27=
67-28+35=
41-16+37=
46+28-37=
16+56=
44-28=
63+27=
57-38=
49+32=
65-37=
33-18=
65+28-55=
45+17-39=
22+39-43=
38+29=
66-29=
45+27=
35-29=
56+26=
82-66=
65+39=
35+27-49=
92-39-27=
74-26+38=
48+39=
53-26=
74+19=
61-24=
45+37=
94-58=
54+18=
39+45-48=
97-79+66=
39+36-58=
66+29=
58-29=
25+29=
54-35=
67-29=
65+27=
72-27=
78-29+35=
61-36+37=
47+38-67=
46+35=
64-38=
66+27=
52-28=
69+22=
55-37=
45-28=
67+28-65=
35+57-49=
42+39-63=