`(-3/17+4/11):5/11+(-4/7+-3/11):5/11`

2 bình luận về “`(-3/17+4/11):5/11+(-4/7+-3/11):5/11`”

1. (-3/17+ 4/11): 5/11+ (-4/7- 3/11): 5/11

   =(-3/17+ 4/11). 11/5+ (-4/7+ -3/11). 11/5

   =11/5 . [-3/17+ 4/11+  -4/7+  – 3/11]

   =11/5 . [-3/17+ (4/11+ – 3/11 )+ -4/7 ]

   =11/5 . [-3/17+ 1/11+ -4/7 ]

   =11/5 . [-3/17+ (1/11+ -4/7) ]

   =11/5 . [-3/17+ -37/77 ]

   =11/5 . -860/1309

   =-172/119

   @Lynacute

    

   Trả lời
2.       (-3/17+ 4/11): 5/11+ (-4/7- 3/11): 5/11

   = (-3/17+ 4/11) . 11/5+ (-4/7- 3/11). 11/5

   = [3/17+ 4/11+(-4/7- 3/11)]. 11/5

   = (4/11- 3/11). 11/5 + (-3/17- 4/7). 11/5

   = 1/11. 11/5 + (-89/119). 11/5

   = 1/5 + (-979)/595

   = -172/119

   ~ $kiddd$ ~

   ~ $kiddd$ ~

   Trả lời