7/13×5/11+5/13×11/11用列式怎么列
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7/13×5/11+5/13×11/11用列式怎么列
7/13×5/11+5/13×4/11巧算的结果等于5/13。 解:7/13×5/11+5/13×4/11 =(7x5)/(13x11)+(5x4)/(13x11) =5/13x7/11+5/13x4/11 =5/13x(7/11+4/11) =5/13x(7+4)/11 =5/13x11/11 =5/13
7/13×5/11+5/13×4/11巧算的结果等于5/13。 解:7/13×5/11+5/13×4/11 =(7x5)/(13x11)+(5x4)/(13x11) =5/13x7/11+5/13x4/11 =5/13x(7/11+4/11) =5/13x(7+4)/11 =5/13x11/11 =5/13
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7/13×5/11+5/13×4/11巧算的结果等于5/13。 解:7/13×5/11+5/13×4/11 =(7x5)/(13x11)+(5x4)/(13x11) =5/13x7/11+5/13x4/11 =5/13x(7/11+4/11) =5/13x(7+4)/11 =5/13x11/11 =5/13
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7/13×5/11+5/13×4/11巧算的结果等于5/13。 解:7/13×5/11+5/13×4/11 =(7x5)/(13x11)+(5x4)/(13x11) =5/13x7/11+5/13x4/11 =5/13x(7/11+4/11) =5/13x(7+4)/11 =5/13x11/11 =5/13
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7/13×5/11+5/13×4/11巧算的结果等于5/13。
解：7/13×5/11+5/13×4/11
=(7x5)/(13x11)+(5x4)/(13x11)
=5/13x7/11+5/13x4/11
=5/13x(7/11+4/11)
=5/13x(7+4)/11
=5/13x11/11
=5/13
解：7/13×5/11+5/13×4/11
=(7x5)/(13x11)+(5x4)/(13x11)
=5/13x7/11+5/13x4/11
=5/13x(7/11+4/11)
=5/13x(7+4)/11
=5/13x11/11
=5/13
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7/13×5/11+5/13×11/11用列式计算如下：
7/13×5/11+5/13×11/11
=35/143+5/13×11/11
=35/143+55/143
=90/143
7/13×5/11+5/13×11/11
=35/143+5/13×11/11
=35/143+55/143
=90/143
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