324+103×(27÷15)的简便运算?
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324+103×(27÷15)
=324+103×1.8
=324+103×2-103×0.2
=324+206-20.6
=530-20.6
=509.4
简便计算如上所示,答案为509.4
=324+103×1.8
=324+103×2-103×0.2
=324+206-20.6
=530-20.6
=509.4
简便计算如上所示,答案为509.4
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展开全部
324+103×(27÷15)
=324+103×9/5
=324+20.6×9
=324+20.6×(10−1)
=324+206−20.6
=303.4+206
=509.4
=324+103×9/5
=324+20.6×9
=324+20.6×(10−1)
=324+206−20.6
=303.4+206
=509.4
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原式=324+103*(9/5)
=324+103*(1+4/5)
=324+103+103*0.8
=427+82.4
=509.4
=324+103*(1+4/5)
=324+103+103*0.8
=427+82.4
=509.4
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