7/9÷11/5+5/11×2/9怎么简算

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7/9÷11/5+5/11×2/9怎么简算7/9÷11/5+5/11×2/9怎么简算7/9÷11/5+5/11×2/9怎么简算7/9÷11/5+5/11×2/9=7/9x5/11+5/11x2/9=(

7/9÷11/5+5/11×2/9怎么简算
7/9÷11/5+5/11×2/9怎么简算

7/9÷11/5+5/11×2/9怎么简算
7/9÷11/5+5/11×2/9
=7/9x5/11+5/11x2/9
=(7/9+2/9)x5/11
=1x5/11
=5/11
如果本题有什么不明白可以追问,

7/9÷11/5+5/11×2/9
=7/9x5/11+5/11x2/9
=5/11x(7/9+2/9)
=5/11x1
=5/11

7/9÷11/5+5/11×2/9
=7/9 x 5/11+5/11x2/9
=5/11x(7/9+2/9)
=5/11x1
=5/11
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7/9÷11/5+5/11×2/9
=7/9*5/11+5/11*2/9
=5/11(7/9+2/9)
=5/11*1
=5/11

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7/9÷11/5+5/11×2/9
=7/9x5/11+5/11×2/9
=5/11x(7/9+2/9) (乘法分配律)
=5/11x1
=5/11

7/9÷11/5+5/11×2/9
=7/9x5/11+5/11×2/9
=5/11(7/9+2/9)
=5/11x1
=5/11

=7/9×5/11+5/11×2/9
=5/11×(7/9+2/9)
=5/11×1
=5/11