问题
解答题
计算: (1)-9+5×(-6)-(-4)2÷(-8); (2)(-3)2-(1
|
答案
(1)原式=-9+5×(-6)-16÷(-8)
=-9-30+2
=-37;
(2)原式=9-
×27 8
-6×2 9 3 2
=9-
-93 4
=-
.3 4
计算: (1)-9+5×(-6)-(-4)2÷(-8); (2)(-3)2-(1
|
(1)原式=-9+5×(-6)-16÷(-8)
=-9-30+2
=-37;
(2)原式=9-
×27 8
-6×2 9 3 2
=9-
-93 4
=-
.3 4