3.71×9.9 37.1等于多少简便计算?
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同学,你有点不认真啊。做作业丢三拉四的,对进步不利噢。
3.71x9.9+37.1
=3.71x9.9+3.71x10
=3.71x(9.9+10)=3.71*19.9
=3.71x(20-0.1)
=74.2-0.371
=73.829
3.71x9.9+37.1
=3.71x9.9+3.71x10
=3.71x(9.9+10)=3.71*19.9
=3.71x(20-0.1)
=74.2-0.371
=73.829
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3.71x9.9+37.1
=3.71x9.9+3.71x10
=3.71x(9.9+10)
=3.71x(20-0.1)
=74.2-0.371
=73.829
=3.71x9.9+3.71x10
=3.71x(9.9+10)
=3.71x(20-0.1)
=74.2-0.371
=73.829
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3.71×9.9+37.1
=3.71×9.9+3.71×10
=3.71×(9.9+10)
=3.71×(20-0.1)
=74.2-0.371
=73.829
或者
3.71×9.9+37.1
=3.71×(10-0.1)+37.1
=37.1-0.371+37.1
=37.1+37.1-0.371
=74.2-0.371
=73.829
=3.71×9.9+3.71×10
=3.71×(9.9+10)
=3.71×(20-0.1)
=74.2-0.371
=73.829
或者
3.71×9.9+37.1
=3.71×(10-0.1)+37.1
=37.1-0.371+37.1
=37.1+37.1-0.371
=74.2-0.371
=73.829
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最简单的计算就是 用计算器!
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