问题
解答题
计算: (1)-32-[8÷(-2)3-1]+3÷2×
(2)(-
|
答案
(1)-32-[8÷(-2)3-1]+3÷2×1 2
=-9-(-1-1)+3 4
=-9+2+3 4
=-6
;1 4
(2)(-
-3 4
+5 9
)÷7 12 1 36
=(-
-3 4
+5 9
)×367 12
=-27-20+21
=-26.
计算: (1)-32-[8÷(-2)3-1]+3÷2×
(2)(-
|
(1)-32-[8÷(-2)3-1]+3÷2×1 2
=-9-(-1-1)+3 4
=-9+2+3 4
=-6
;1 4
(2)(-
-3 4
+5 9
)÷7 12 1 36
=(-
-3 4
+5 9
)×367 12
=-27-20+21
=-26.