问题
解答题
计算: (1)32÷(-
(2)-32÷3+(
|
答案
(1)原式=9÷(-
)+2÷1 3 1 16
=9×(-3)+2×16
=-27+32
=5;
(2)原式=-9÷3+12×
-12×1 2
+12 3
=-3+6-8+1
=-4.
计算: (1)32÷(-
(2)-32÷3+(
|
(1)原式=9÷(-
)+2÷1 3 1 16
=9×(-3)+2×16
=-27+32
=5;
(2)原式=-9÷3+12×
-12×1 2
+12 3
=-3+6-8+1
=-4.