问题
解答题
计算 (1)8-23÷(-4)3-
(2)100÷(-2)2-(-2)÷(-
|
答案
(1)原式=8-8÷(-64)-1 8
=8+
-1 8 1 8
=8;
(2)原式=100÷4-2×3 2
=25-3
=22.
计算 (1)8-23÷(-4)3-
(2)100÷(-2)2-(-2)÷(-
|
(1)原式=8-8÷(-64)-1 8
=8+
-1 8 1 8
=8;
(2)原式=100÷4-2×3 2
=25-3
=22.