文档介绍：72 - 2 =
45— 9=
86— 8=
96 — 2 =
24 — 9=
40 - 2 =
46 — 9=
43— 4=
18 — 2 =
38 — 8=
35+ 5 =
85+ 2=
59— 4=
78+ 10 =
82 — 5=
64 + 6 =
32+ 7=
49— 5=
63 + 3 =
84 — 2=
60 - 4 =
11 + 20=
45— 3=
30 + 8 =
60 — 7=
25 + 4 =
36 — 5=
84+ 4=
52 — 3 =
71 + 9=
88 — 4 =
76+ 0=
93— 3=
18 + 5 =
70 — 5=
56 + 20 =
64+ 6=
65+ 3=
15 — 3 =
30 — 3=
32 + 6 =
29— 7=
35+ 2 =
73 + 4 =
25+ 4=
43+ 5 =
87+ 10=
39— 3=
48 — 30=
95 — 40=
81 — 2 =
60+ 8=
39+ 10=
76+ 10 =
70+ 30 =
48 — 9 =
47— 8=
52— 4=
43 — 8 =
68 — 9=
40 — 2 =
27— 9=
32— 4=
41 — 2 =
38 — 9=
30 — 2 =
72 — 2=
66— 4=
39 — 2 =
20— 9=
53+ 5 =
35+ 2=
39— 4=
8 + 50 =
20— 1 =
40 + 6 =
62+ 7=
89— 5=
63 + 3 =
34 — 2=
50 — 4=
11+2=
53— 3=
60+8=
80 — 7=
32 + 4 =
26— 5=
84+ 4=
35 — 10 =
71 + 9=
12 + 6 =
29— 7=
33+ 2 =
3 + 40 =
15+ 4=
23+ 5 =
37+ 1 =
29— 3=
38 — 3 =
15— 4=
18-2 =
30+ 8=
43 + 1 =
86+ 2 =
70 + 3=
30 - 2 =
72 - 2 =
66 — 4 =
39— 2 =
20 — 9=
53+ 5 =
35+ 2 =
39 - 4 =
8 + 50 =
20 — 1 =
16+9=
5+18=
17+3=
36+6=
29+5=
87+9二
48+8=
35+8=
4+19=
7+26=
4+37=
29+4=
19+8=
29+7=
7+38=
9+18=
40+6=
35+30=
62+8=
75+5=
23+7=
26+8=
19+60=
32+8=
16+9=
24+6=
5+37=
44+7=
67+9=
50+8=
61+9=
85+4=
91+8=
82+5=
39+1 =
46+7=
23+7=
37+4=
78+3=
27+6=
39+8=
68+5=
9+25=
85+6=
92+4=
86+2=
48+7=
39+9=
2+38=
56+8=
36+5