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計算:
4.65×32+2.5×46.5+0.465×430.
人气:235 ℃ 时间:2019-10-19 10:24:52
解答
4.65×32+2.5×46.5+0.465×430
=4.65×32+25×4.65+4.65×43
=4.65×(32+25+43)
=4.65×100
=465.
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