问题
解答题
计算(要有必要的计算过程) (1)(-64)+17+(-25)+23 (2)(-10)÷(-
(3)-23-24×(
(4)
|
答案
(1)原式=-64-25+40=-49;
(2)原式=50×5=250;
(3)原式=-8-24×
-24×(-1 12
)-24×5 6
=-8-2+20-9=1;3 8
(4)原式=
-1 3
=0.1 3
计算(要有必要的计算过程) (1)(-64)+17+(-25)+23 (2)(-10)÷(-
(3)-23-24×(
(4)
|
(1)原式=-64-25+40=-49;
(2)原式=50×5=250;
(3)原式=-8-24×
-24×(-1 12
)-24×5 6
=-8-2+20-9=1;3 8
(4)原式=
-1 3
=0.1 3