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数学
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5.4乘62加1.8乘114简便计算
人气:321 ℃ 时间:2020-05-19 02:43:52
解答
5.4×62+1.8×114
=5.4×62+1.8×3×38
=5.4×62+5.4×38
=5.4×(62+38)
=5.4×100
=540
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