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简便计算:4.66*0.28+0.466*8.2-4.66
人气:415 ℃ 时间:2019-12-26 04:38:22
解答
4.66*0.28+0.466*8.2-4.66
=4.66x0.28+4.66x0.1x8.2-4.66
=4.66x(0.28+0.82-1)
=4.66x0.1
=0.466
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