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数学
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利用因式分解计算32×3.14+5.4×31.4+0.14×314=______.
人气:132 ℃ 时间:2020-01-27 12:37:10
解答
32×3.14+5.4×31.4+0.14×314,
=0.32×314+0.54×314+0.14×314,
=314×(0.32+0.54+0.14),
=314×1,
=314.
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