问题
解答题
计算: (1)(-
(2)-6÷(-0.25)×
|
答案
(1)原式=(-
)×(-3 4
)÷(-3 2
)9 4
=-
×3 4
×3 2 4 9
=-
.1 2
(2)-6÷(-0.25)×11 14
=6×4×11 4
=66.
计算: (1)(-
(2)-6÷(-0.25)×
|
(1)原式=(-
)×(-3 4
)÷(-3 2
)9 4
=-
×3 4
×3 2 4 9
=-
.1 2
(2)-6÷(-0.25)×11 14
=6×4×11 4
=66.