问题 解答题
计算:
(1)(-6)×(-4)×2×(-3);
(2)(-
5
12
)×(-
4
15
)×(-1.5)×1
1
4

(3)(-2011)×2010×0×(-2009).
答案

(1)(-6)×(-4)×2×(-3)

=-6×4×2×3

=-144;

(2)(-

5
12
)×(-
4
15
)×(-1.5)×1
1
4

=-

5
12
×
4
15
×
3
2
×
5
4

=-

5
24

(3)(-2011)×2010×0×(-2009)=0.

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