文档介绍：12-3 =
14—6=
75-5=
12+6=
14+9=
39+5 =
13-8 =
5+6 =
26-3 =
14-5 =
18-10=
27+6 =
12-8 =
7+9 =
54—8 =
8+5=
90-3=
86-6 =
11-5 =
60+23=
24+3 =
20+7 =
30+26=
76-8 =
16-9 =
35+40=
72-50=
12-5 =
42+30=
69+30=
9+4=
50+21 =
90+4=
18-9 =
35+30=
50-7 =
17-8 =
28-8 =
40+58 =
15-9 =
36-20=
96-4=
14-4=
37-7 =
97-7 =
17-9 =
57+8 =
79+0 =
12-7 =
80-60=
67+9 =
13-6=
7+80=
90-6 =
14-8 =
9+70=
50+26=
11-2 =
71+9=
98-70=
30+7 =
48+6=
8+40 =
12-8 =
99-6=
62+8 =
70-5 = 46+4= 12-4= 45—40= 80-30 = 25+9 =
8 =
9 = 72-2 = 79-70 = 7+63 = 90-9 = 9+60= 3+50= 26-3 = 87+8 = 43+30 = 48+2 = 38+7 = 44+5 =
20+45 = 55+7 =
47+30= 53-2 = 25+8 = 50+16= 97-60= 36+7 = 92+8 = 9+8 =
6=
9=
7 = 13+8 = 18-10= 22+6=
8+7 =
6=
14+5 =
6= 17+8 = 4+60= 11+6= 15+6=
12-7=
5+38 =
23+7 =
64-60=
24-6 =
32+40=
16-4=
75-9 =
45+8 =
58+20=
62+7 =
47-5 =
54+4=
3+40 =
15+4=
35+2 =
98-9 =
4+76 =
68-7 =
73-6 =
70-3 =
24-10=
48-4=
35-20=
50-20=
72-3 =
60-3 =
30-10=
75-20=
95—9=
30+9 =
75+4=
76+8 =
53-3 =
69+7 =
25+8 =
90-30=
90-8 =
34-20=
80+9 =
42+6=
94+6=
80-60=
80+10=
47+30 =
90-70=
26+9 =
20+45=
50+40=
86-6=
100+0=
20+50=
93-60=
4+60=
38+30=
39-4=
100-0=
67+20=
67-30=
30+10=
56+30=
44+30=
90-10=
43+1 =
71 + 5 =
9-9 =
66-4=
4+62 =
35-7=
60+33 =
72-8 =
30+25=
27+40=
40+30=
92+5=
93-70=