题干

计算:
(1)4×(﹣
1
2
-
3
4
+2.5)×3﹣|﹣6|;
(2)(﹣1)3×(﹣12)÷[(﹣4)2+2×(﹣5)].
上一题 下一题 0.0难度 选择题 更新时间:2018-01-04 05:11:19

答案(点此获取答案解析)

解:(1)原式=﹣6﹣9+30﹣6=9;

(2)原式=12÷(16﹣10)=12÷6=2.

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                                                                                              此中有真意,欲辩已忘言。