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简便计算.1001×3.14+100.1×31.4+10.01×314
人气:490 ℃ 时间:2020-06-10 09:41:33
解答
1001×3.14+100.1×31.4+10.01×314
=1001×3.14+1001×3.14+1001×3.14
=1001×(3.14×3)
=(1000+1)×9.42
=1000×9.42+9.42
=9429.42
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