文档介绍：50-21=
39+15=
96-57=
58+13=
80-44+56=
35+27=
70-58=
77-59=
95-69=
59+23=
27+69=
82-29-25=
60—46=
97-19=
54
19+52=
25+66=
18+55-37=
56-38=
42-13=
55-28=
28+16=
18+55=
92-69=
50-14+18=
58+13=
90-43=
49+14=
74-48=
19+42=
39+12=
57-38+29=
16+39=
96-67=
96-67=
26+18=
92-59=
45+26=
85-29+38=
32+29=
28+67=
28+67=
49+39=
80-62=
35-17+29=
19+55=
76-29=
24+59=
84-75=
56+15=
66-27=
67+24-66=
17+58=
77-49=
53+18=
28+57=
58+38=
35-17+29=
19+45=
46+16=
19+45=
60-44=
14+57=
24+28-33=
92-39=
62-26=
71-12=
47-29=
51-14=
86-38+43=
38+17=
18+35=
17+48=
95-27=
61-42=
34+29=
78-59+59=
26+46=
25+69=
70-15=
94-17=
73-28=
94-69+36=
92-49=
26+56=
90-74=
95-37=
66-37=
72-35+49=
71-12=
63-14=
62-26=
35+58=
81-27=
24+28-33=
17+48=
47+14=
47+14=
35+48=
47-19=
14+47=
86-38+43=
33+58=
84-28=
84-28=
29+34=
35+17=
64-17+14=
46+26=
39+15=
90—64=
64+27=
90-58=
64-39+28=
85-48=
45+29=
94-46=
36+55=
27+28=
64-17+
70-15=
45+19=
55-28=
62-29=
82-47=
45+19-39=
26+66=
90—64=
36+35=
55-18=
36+45=
80-72=
17+48+27=
93-36=
45+39=
62-19=
61-32=
75-36=
45-29+38=
85-38=
93-26=
79+17=
29+44=
82-47+58=
46+16-23=
70-25=
18+68=
75-67=
91-77=
29+44-34=
14+47-14=
53+18=
90-74=
93-59=
40-18=
竖式计算或脱式计
91-23+25=
38+27=
76-39=
94-46=
83-65=
算
78-29+36=
90-61+13=
51-23+25=
90—16—16—
90-61+13=
90-51+15=
75+16-38=
83-15+19=
90-51+15=
73+18-54=
49+45-68=
34+58-75=
90-41=
52-17+49=
85-18-48=
83-15+19=
45-16+52=
24+49=
90-38+29=
90-31=
91-29=
33-15=
50-32=
16+27=
63—48=
33-25=
64-57=
40—26=
75-19=
23+29=
42-24=
41-14=
18+25=
84-27=
42-34=
76-29=
17+15=
92-16=
25+36=
50-12=
24+39=
39+39=
71-59=
90-41=
91-19=
33-25=75-19=16+27=63-48=76-29=84-27=
57+18=
28+59=
17+15=29=28+39=
42-34=64+29=14+37=
53-36=30-14=13+49=
12+39=73-28=
96-39=81-17=
81-27=
64+19=
18+53=
28+59=