计算(1)(-0.9)+(+4.4)+(-8.1)+(+5.6)(2)|-79|÷(23-15)-13×(-4)2(3)-22-(-3)3×(-1)4-(-1)5(4)(-36)×(14-56+79-118)(5)178÷(-10)×(-313)÷(-314)(6)-0.85×817+14×27-(14×3-数学
题文
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×
|
答案
(1)原式=(-0.9-8.1)+(4.4+5.6)=-9+10=1; (2)原式=
(3)原式=-4+27+1=24; (4)原式=-9+30-28+2=-5; (5)原式=
(6)原式=0.85×(
|