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班级：
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19+54+9=
18+5X5=
58+35-7=
50-16-8=
55-63-9=
95-58-19=
27+73-79=
14+18-24=
51-5X5=
79-51+45=
56+28-7=
66+24-4=
70-2-49=
45+55-62=
12-12-2=
92-6X6=
45+27-3=
73+27-52=
39+40-8=
47-18+68=
60+36-57=
71-2X2=
18-9+55=
53+39-6=
90-6X2=
88+18+3=
14+38+39=
8+9X4=
79+12-47=
15+6+5=
14+48宁8=
85+8-66=
9X6-7=
89-80+72=
18+4X7=
83+8-79=
56+48-8=
68+29-88=
51-42+91=
20+34-15=
57+4X2=
89-64-7=
24-19+38=
67-6X3=
33-40-8=
75+8+7=
94-6+6=
70-2-49=
22+49+15=
11+12+39=
27-18-2=
62-8X7=
77-49-19=
16-8+48=
39+4X8=
16+6X8=
79+12-6=
48+27+9=
66+48-6=
83-78+35=
58-29+58=
98-79+67=
16-35-5=
23-40-5=
79+2+18=
13-6+83=
19+18-6=
3+9X2=
23-56-7=
20+21+7=
34+58-88=
47+16+17=
67-18-32=
5X8+8=
24-17+55=
65-19+28=
65-3X9=
46-8-19=
6X9+37=
4X8-17=
40-40-5=
34-5+49=
7X6-37=
47-18-10=
7X3-14=
84-29-7=
45-6X6=
79+16-77=
36-29+77=
56-9+35=
75+15+5=
86-28—4=
40-14-7=
69+36+6=
61+2+7=
73-4X9=
69+24-8=
72-8+18=
93-59+49=
61-15+24=
95-18+18=
7+2X7=
82+9-8=
86+4+5=
63+37-93=
20-15+77=
3X7+31=
96-8X6=
35+3X5=
45-9+45=
59+41-29=
81-63+14=
10+45+17=
33+7+3=
81-14-7=
11+84-19=
6X7+19=
88+8-28=
96+28-7=
81-3X4=
63+18+1=
36+20-5=
7X9-27=
27+7X8=
20-2X6=
65+29-86=
12-27-9=
27-9+73=
68+14-7=
60-48—8=
14+7X8=
47-28+36=
30-4-18=
61-12-4=
85+8-5=
97-63-7=
27+57+16=
77+2X2=
7