问题
解答题
计算: (1)(-2)3×2+(-
(2)(
|
答案
(1)原式=-8×2-
×8=-16-18=-34;9 4
(2)原式=
×(-36)-7 9
×(-36)+5 6
×(-36)-3 4
×(-36)=-28+30-27+14=-11.7 18
计算: (1)(-2)3×2+(-
(2)(
|
(1)原式=-8×2-
×8=-16-18=-34;9 4
(2)原式=
×(-36)-7 9
×(-36)+5 6
×(-36)-3 4
×(-36)=-28+30-27+14=-11.7 18