问题
解答题
计算:(1)|-6|+(+7)-(+2)-(-1);(2)(-24)×(
|
答案
(1)原式=6+7-2+1
=6+7+1-2
=12;
(2)原式=-24×
+24×1 8
-24×1 3
-81 4
=-3+8-6-8
=-9
计算:(1)|-6|+(+7)-(+2)-(-1);(2)(-24)×(
|
(1)原式=6+7-2+1
=6+7+1-2
=12;
(2)原式=-24×
+24×1 8
-24×1 3
-81 4
=-3+8-6-8
=-9