3.69÷1.8×5.4简便计算？
2个回答
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3.69÷1.8x5.4
=｛3.69÷（0.9+0.9）｝x5.4
=｛3.69÷0.9+3.69÷0.9｝x5.4
=｛4.1+4.1｝x5.4
=8.2x5.4
=8.2x（5+0.4）
=8.2x5+8.2x0.4
=41+3.28
=44.28
=｛3.69÷（0.9+0.9）｝x5.4
=｛3.69÷0.9+3.69÷0.9｝x5.4
=｛4.1+4.1｝x5.4
=8.2x5.4
=8.2x（5+0.4）
=8.2x5+8.2x0.4
=41+3.28
=44.28
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展开全部
3.69÷1.8x5.4
=｛3.69÷（0.9+0.9）｝x5.4
=｛3.69÷0.9+3.69÷0.9｝x5.4
=｛4.1+4.1｝x5.4
=8.2x5.4
=8.2x（5+0.4）
=8.2x5+8.2x0.4
=41+3.28
=44.28
=｛3.69÷（0.9+0.9）｝x5.4
=｛3.69÷0.9+3.69÷0.9｝x5.4
=｛4.1+4.1｝x5.4
=8.2x5.4
=8.2x（5+0.4）
=8.2x5+8.2x0.4
=41+3.28
=44.28
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评论
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