问题
解答题
计算: (1)8+(-
(2)-32-(-2)3×(-4)÷(-
|
答案
(1)8+(-
)-5-(-0.25)1 4
=8-
-5+0.251 4
=3;
(2)-32-(-2)3×(-4)÷(-
)1 4
=-9-(-8)×(-4)×(-4)
=-9-32×(-4)
=-9+128
=119.
计算: (1)8+(-
(2)-32-(-2)3×(-4)÷(-
|
(1)8+(-
)-5-(-0.25)1 4
=8-
-5+0.251 4
=3;
(2)-32-(-2)3×(-4)÷(-
)1 4
=-9-(-8)×(-4)×(-4)
=-9-32×(-4)
=-9+128
=119.