A-A+
计算(1)(-0.9)+(4.4)+(-8.1)+(5.6)(2)|-79|÷(23-15)
问题详情
计算
(1)(-0.9)+(4.4)+(-8.1)+(5.6)
(2)|-
(3)-22-(-3)3×(-1)4-(-1)5
(4)(-36)×(
(5)1
(6)-0.85×
参考答案
(1)原式=(-0.9-8.1)+(4.4+5.6)=-9+10=1;
(2)原式=79÷715-13×16=53-163=-113;
(3)原式=-4+27+1=24;
(4)原式=-9+30-28+2=-5;
(5)原式=158×(-110)×(-103)×(-413)=-526;
(6)原式=0.85×(917-817)+14×(27-37)=1750×117-2=-14950.
考点: