问题
解答题
计算:(1)(-10)×(-
(2)-3×
|
答案
(1)(-10)×(-
)×(-0.1)×61 3
=-(10×
×1 3
×6)1 10
=-2.
(2)-3×
×15 6
×(-0.25)4 5
=3×
×5 6
×9 5 1 4
=
.9 8
计算:(1)(-10)×(-
(2)-3×
|
(1)(-10)×(-
)×(-0.1)×61 3
=-(10×
×1 3
×6)1 10
=-2.
(2)-3×
×15 6
×(-0.25)4 5
=3×
×5 6
×9 5 1 4
=
.9 8