问题
解答题
计算: (1)-
(2)
(3)
(4)
|
答案
(1)原式=-
•3
=-16×36
•3
•16
=-36
•4×6=-243
;3
(2)原式=1 3
•2×3
=6 1 3
•6
=6
×6=2;1 3
(3)原式=2×(-
)×1 2
=-
×3×108 5
=-448
;3
(4)原式=
=10x×
×100zy 10
=10100xyz
.xyz