题目

看谁算得都对 ①12+3-7= ②15-6-3= ③11-6-3= ④8+2+5= ⑤14-2-7= ⑥13-8+4= 答案：①12+3-7 =15-7 =8 ②15-6-3 =9-3 =6 ③11-6-3 =5-3 =2 ④8+2+5 =10+5 =15 ⑤14-2-7 =12-7 =5 ⑥13-8+4 =5+4 =9

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