问题
解答题
计算题: (1)-12+(-2)3×
(2)
|
答案
(1)-12+(-2)3×
-1 8
×(-3 -27
)1 9
=-1-8×
+3×(-1 8
)1 9
=-1-1-1 3
=-2
;1 3
(2)
-|82
-2|+3
-3 125 3
=8-2+
+5-3 3
=11.
计算题: (1)-12+(-2)3×
(2)
|
(1)-12+(-2)3×
-1 8
×(-3 -27
)1 9
=-1-8×
+3×(-1 8
)1 9
=-1-1-1 3
=-2
;1 3
(2)
-|82
-2|+3
-3 125 3
=8-2+
+5-3 3
=11.