问题
解答题
计算: (1)9+5×(-3)-(-2)2÷4; (2)[(-3)2+(-2)3]+(3
|
答案
(1)原式=9-15-1=-7;
(2)原式=[9-8]+(3
-115 75
-269 75
)=1-10 75
=64 75
.11 75
计算: (1)9+5×(-3)-(-2)2÷4; (2)[(-3)2+(-2)3]+(3
|
(1)原式=9-15-1=-7;
(2)原式=[9-8]+(3
-115 75
-269 75
)=1-10 75
=64 75
.11 75