文档介绍：76-9 3=
66+7X 4=
7X9+2=
7+1-4=
25-18+9=
18+3-2=
75+2X 8=
38+54+ 9=
67+56+ 7=
87+64+ 8=
32+4-7=
18+3+ 1 =
24++ 5=
16+ 8+36=
98-32+8=
66+5X 3=
28-56+ 8=
43+7X 2=
72+9+47=
5+ 1-2=
40+8+43=
48+6-3=
32+8+48=
26-21 + 3=
28+7+5=
16+6+ 1 =
2X9+14=
26-63+ 9=
79-9X7=
24+ 8+44=
88+14 7=
22+8X 2=
24+8-1 =
6X9-48=
24+ 6-1 =
6X6-28=
7 1+1=
21+9X 6=
6X 9+5=
40+ 5+72=
42+5X 6=
19+9X 5=
42+3X 8=
97+35+ 7=
2X5+0=
61-7X 1 =
5X 8-32=
54+ 9+21 =
7X9-43=
99-9 X 2=
42+9X 5=
75- 32+4=
16+2+0=
3X 4+55=
8+1+27=
92-3 X 7=
68-3+1 =
90-7X9=
31-32+8=
65-9 X 2=
89-6X8=
9X4-25=
32 4+69=
97-5 X 9=
15 5+25=
82-7X7=
17+14 7=
12+6-1 =
56+7-5=
8X8+21 =
32 4+31=
87+2+ 1 =
82-28+7=
89-9+ 3=
4+2+60=
25-12+4=
30+ 5+23=
54-5 X 9=
6-5+1 =
36-5 X 5=
10+5+72=
5+1+90=
4X2+29=
4X 5+56=
35+ 7-2=
3X7-15=
23-9 X 2=
10+18+ 6=
85+36+ 9=
40+ 5+68=
9X4-25=
24+3+42=
6X7-6=
60-5X2=
68+18 6=
4+2-1 =
44+3+ 1 =
3X5+60=
12+2+36=
1 义3+65=
7-42+6=
7 7+47=
54 9+85=
6X4-22=
12+42+ 7=
74-21 + 7=
73+5X 4=
31+9 7=
25+ 5+8=
12+3-2=
8X8+18=
76-24+ 3=
78+3 6=
9X2+43=
10+5-1 =
40+5-8=
67-9 X 5=
81-3X9=
54-5 X 5=
4X9+63=
76-9X8=
6X6-18=
34-2X7=
21 + 7-3=
15 5+54=
15-2X6=
75-9X8=
9X8-30=
38+9 2=
8X6-19=
40+5-5=
33-24+3=
51-64+8=
15-20+4=
31+5 3=
76-4 X 3=
12+3-4=
36+ 9-3=
8X8+28=
40-5X4=
8X7+20=
2+1-1 =
63-3