Решите паже 1038,1039

Question

Решите паже 1038,1039

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Answer 1

6 1/12-4 2/3=6 1/12 - 4 8/12=2 1/12-8/12=1 13/12-8/12=1 5/12

7 1/8-3 3/4=7 1/8 - 3 6/8=(7-4)+(1/8-6/8)=3+( -5/8)=3-5/8=2 3/8

9-7 7/8=8 8/8 - 7 7/8=1 1/8