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(1.25x2.4x4.2)%(1.8x3.5x5)x16得多少
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(1.25x2.4x4.2)%(1.8x3.5x5)x16得多少
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答案和解析
(1.25x2.4x4.2)/(1.8x3.5x5)x16
=(1.25x16x2.4x4.2)/(1.8x3.5x5)
=(20x2.4x4.2)/(1.8x3.5x5)
=(20/5)x(2.4/1.8)x(4.2/3.5)
=4x4/3x1.2
=16/3x1.2
=6.4
=(1.25x16x2.4x4.2)/(1.8x3.5x5)
=(20x2.4x4.2)/(1.8x3.5x5)
=(20/5)x(2.4/1.8)x(4.2/3.5)
=4x4/3x1.2
=16/3x1.2
=6.4
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