问题
解答题
计算: (1)(-4)×(-6)×(-5); (2)(-
|
答案
(1)(-4)×(-6)×(-5)
=-4×6×5
=-120;
(2)(-
+1 2
-2 3
)×(-24)1 4
=-
×(-24)+1 2
×(-24)-2 3
×(-24)1 4
=12-16+6
=18-16
=2.
计算: (1)(-4)×(-6)×(-5); (2)(-
|
(1)(-4)×(-6)×(-5)
=-4×6×5
=-120;
(2)(-
+1 2
-2 3
)×(-24)1 4
=-
×(-24)+1 2
×(-24)-2 3
×(-24)1 4
=12-16+6
=18-16
=2.