(1/2+2/3)X5/6怎样计算

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(1/2+2/3)X5/6怎样计算
(1/2+2/3)X5/6怎样计算

(1/2+2/3)X5/6怎样计算
(1/2+2/3)X5/6
=7/6×5/6
=35/36

(1/2+2/3)X5/6
=5/6X5/6
=25/36