tolong pakai cara...

8 -1 3/50
=8/1-53/50
=400/50-53/50
=347/50
=6 47/50

7- 1 3/60
=7/1 -63/60
=420/60-63/60
=357

6-2,75=3,25

5-2,85=2,15

8-4,70=3,30

12-5 3/70
=12/1-353/70
=840/70-353/70
=487/70
=6 67/70

11-4 4/50
=11/1-204/50
=550/50-204/50
=346/50
=6 46/50

10-5 1/40
=10/1-81/40
=400/40-81/40
=319/40
=7 39/40

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