20.01×314+200.1×31.4+2001×3.14=________.

发布时间:2020-08-10 05:53:40

20.01×314+200.1×31.4+2001×3.14=________.

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18849.42
解析分析:20.01×314+200.1×31.4+2001×3.14,首先根据因数与积的变化规律,将原式转化为:2001×3.14+2001×3.14+2001×3.14,再运用乘法分配律进行简算.

解答:20.01×314+200.1×31.4+2001×3.14,
=2001×3.14+2001×3.14+2001×3.14,
=3.14×(2001×3),
=3.14×6003,
=3.14×6000+3.14×3,
=18840+9.42,
=18849.42.
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