
计算:(1)(-10)×(-13)×(-0.1)×6;(2)-3×56×145×(-
计算:(1)(-10)×(-13)×(-0.1)×6;(2)-3×56×145×(-0.25)....
计算:(1)(-10)×(-13)×(-0.1)×6;(2)-3×56×145×(-0.25).
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(1)(-10)×(-
)×(-0.1)×6
=-(10×
×
×6)
=-2.
(2)-3×
×1
×(-0.25)
=3×
×
×
=
.
1 |
3 |
=-(10×
1 |
3 |
1 |
10 |
=-2.
(2)-3×
5 |
6 |
4 |
5 |
=3×
5 |
6 |
9 |
5 |
1 |
4 |
=
9 |
8 |
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