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1.
我会细心算一算。
14-8= | 16-9= | 78-70= | 6+8-9= |
6+7= | 6+70= | 11-5= | 16-8+7= |
17-8-3= | 5+4+7= | 44-4+6= | |
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1.
计算
15-7= | 13-5= | 8+4= | 7+6= |
18-9= | 19-8= | 5+9= | 4+10= |
15-5= | 16-10= | 10+5= | 11-6= |
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2.
看谁最先得到奖牌。
15-8= | 16-7= | 29-9= | 13-4+8= |
13-9= | 11-8= | 15-10= | 6+6-9= |
12-6= | 14-5= | 68-8= | 17-8+3= |
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3.
算一算
30+5= | 12-8= | 18-9= | 7+5= |
8+4-6= | 16-5= | 75-70= | 14-6= |
9+4= | 45-40+6= | 8+60= | 15+4= |
50+9= | 17-8= | 13-7+5= | 58-8= |
13-5= | 20+8= | 13-4= | 5+4+60= |