a;7/5 + 5/8 3 + 4/11 13/9 + 25/36 5/8 + 1/2 b;5/7 – 2/3 23/9 – 2 9/8 – 35/48

0 bình luận về “a;7/5 + 5/8 3 + 4/11 13/9 + 25/36 5/8 + 1/2 b;5/7 – 2/3 23/9 – 2 9/8 – 35/48”

1. a

   7/5+5/8= 81/40

   13/9+25/36= 77/36

   b

   5/7-2/3= 1/21

   9/8-35/48=19/48

   3+4/11=37/11

   5/8+1/2=9/8

   23/9 – 2=5/9

   9/16 – 7/24=13/48

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2. 7/5+5/8=56/40+25/40=81/40

   3+4/11=33/11+4/11=37/11

   13/9+25/36=52/36+25/36=77/36

   5/8+1/2=5/8+4/8=9/8

   5/7-2/3=15/21-14/21=1/21

   23/9-2=23/9-18/9=5/9

   9/8-35/48=54/48-35/48=19/48

   9/16-7/24=27/48-14/48=13/48

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