问题 解答题
计算:
(1)(-4)×(-6)×(-5);
(2)(-
1
2
+
2
3
-
1
4
)×(-24)
答案

(1)(-4)×(-6)×(-5)

=-4×6×5

=-120;

(2)(-

1
2
+
2
3
-
1
4
)×(-24)

=-

1
2
×(-24)+
2
3
×(-24)-
1
4
×(-24)

=12-16+6

=18-16

=2.

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