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用简便方法计算下面各题“3.84×9.6+0.96×61.6
递等式
人气:299 ℃ 时间:2019-10-09 02:33:28
解答
3.84×9.6+0.96×61.6
=3.84×9.6+9.6×6.16
=(3.84+6.16)×9.6
=10×9.6
=96
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