7/13÷9+1/9×6/13的计算过程?
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7/13÷9+1/9×6/13
=7/13×1/9+1/9×6/13
=(7×1)/(13×9)+(1×6)/(9×13)
=(7+6)/(13×9)
=13/(13×9)
=13÷13÷9
=1÷9
=1/9
=7/13×1/9+1/9×6/13
=(7×1)/(13×9)+(1×6)/(9×13)
=(7+6)/(13×9)
=13/(13×9)
=13÷13÷9
=1÷9
=1/9
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7/13x1/9+1/9x6/13
=1/9x(7/13+6/13)
=1/9x13/13
=1/9
=1/9x(7/13+6/13)
=1/9x13/13
=1/9
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7/13÷9+1/9×6/13
=7/13×1/9+1/9×6/13
=(7/13+6/13)×1/9
=1×1/9
=1/9
=7/13×1/9+1/9×6/13
=(7/13+6/13)×1/9
=1×1/9
=1/9
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