32×11.8+640×0.9的简便运算怎么写?
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32×11.8+640×0.9
=32×11.8+64×9
=32×11.8+32×18
=32×(11.8+18)
=32×29.8
=32×(30-0.2)
=32×30-6.4
=960-6.4
=953.6
=32×11.8+64×9
=32×11.8+32×18
=32×(11.8+18)
=32×29.8
=32×(30-0.2)
=32×30-6.4
=960-6.4
=953.6
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答:32x11.8+640x0.9
=32x2x5.9+64x10x0.9
=64x5.9+64x9
=64x(5.9+9)
=64x14.9
=64x(15-0.1)
=64x15-64x0.1
=64x(10+5)-6.4
=64x10+64x5-6.4
=640十320-6.4
=960-6.4
=953.6
=32x2x5.9+64x10x0.9
=64x5.9+64x9
=64x(5.9+9)
=64x14.9
=64x(15-0.1)
=64x15-64x0.1
=64x(10+5)-6.4
=64x10+64x5-6.4
=640十320-6.4
=960-6.4
=953.6
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展开全部
32×11.8+640×0.9
=32×11.8+32×18
=32×(11.8+18)
=32×(30-0.2)
=32×30-32×0.2
=960-6.4
=953.6
=32×11.8+32×18
=32×(11.8+18)
=32×(30-0.2)
=32×30-32×0.2
=960-6.4
=953.6
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你对这个回答的评价是?
展开全部
32×11.8+640×0.9
=32×11.8+32×18
=32×(11.8+18)
=32×(30-0.2)
=32×30-32×0.2
=960-6.4
=953.6
=32×11.8+32×18
=32×(11.8+18)
=32×(30-0.2)
=32×30-32×0.2
=960-6.4
=953.6
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已踩过<
评论
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你对这个回答的评价是?
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