问题
解答题
计算: (1)(
(2)7×[(-2)3-(-4)+|-22|]. |
答案
(1)(
+1 6
-1 8
+1 4
)×(-48)1 12
=-8-6+12-4
=-6;
(2)7×[(-2)3-(-4)+|-22|]
=7×[-8-(-4)+4]
=7×0
=0.
计算: (1)(
(2)7×[(-2)3-(-4)+|-22|]. |
(1)(
+1 6
-1 8
+1 4
)×(-48)1 12
=-8-6+12-4
=-6;
(2)7×[(-2)3-(-4)+|-22|]
=7×[-8-(-4)+4]
=7×0
=0.