(50+5/8)*1/5简便计算

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(50+5/8)*1/5简便计算
(50+5/8)*1/5简便计算

(50+5/8)*1/5简便计算
(50+5/8)*1/5
=50x1/5+5/8x1/5
=10+1/8
=10又1/8
如果本题有什么不明白可以追问,

50*1/5+5/8*1/5

(50+5/8)×1/5
=50×1/5+5/8×1/5
=10+1/8
=81/8

(50+5/8)*1/5
=50*(1/5)+(5/8)*(1/5)
=10+1/8
=10又1/8

50成1/5加5/8成1/5