Question

tính : 24/64 + 15/35 =

      35/15 - 25/18 =

  (   0,978+ 126, 542  ) x 3 =

            12,25 : 2 , 25 =

Answer 1

24/64 + 15/35 = 45/56

35/15 - 25/18 = 17/18

( 0,978 + 126,542) x 3 = 127,52 x 3

                                 =     382,56

12,25 : 2,25 = 5,444444444 = 49/9

Answer 2

24/64 + 15/35 = 45/56

35/15-25/18=17/18

( 0,978+126,542 )x3=382,56

12,25 : 2,25 = 49/9 

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