x – 1/5=4/6 x 2/5= 11/6 – 2/3= 4/7 : 4/5=

0 bình luận về “x – 1/5=4/6 x 2/5= 11/6 – 2/3= 4/7 : 4/5=”

1. X-1/5=4/6 x 2/5

   X-1/5=4/15

   X=4/15+1/5

   X=7/15

   11/6-2/3=11/6-4/6=7/6

   4/7:4/5=4/7×5/4=5/7

    

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2. – ) x – 1/5 = 4/6 x 2/5 

        x – 1/5 = 4/15

        x = 7/15

   -)  11/5 – 2/3 = 23/15

   -) 4/7 : 4/5 = 5/7 

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