Решите 5/6+(2-1 23/35):9/25-1 2/7​

Question

Решите 5/6+(2-1 23/35):9/25-1 2/7​

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Answer 1

1)2-1 23/35=70/35-58/35=12/35

2)12/35:9/25=12/35*25/9=4/7*5/3=20/21

3)5/6+20/21=35/42+40/42=75/42=1 33/42=1 11/14

4)1 11/14-1 2/7=25/14-9/7=25/14-18/14=7/14=1/2=0,5

Ответ:0,5