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15.7/0.12+184/9.6怎样简便计算
人气:113 ℃ 时间:2020-02-05 14:01:04
解答
15.7/0.12+184/9.6
=15.7/0.12+23/1.2
=15.7/0.12+2.3/0.12
=(15.7+2.3)/0.12
=18/0.12
=1800/12
=150
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