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Автор - bogatovdanila2

Мне нужно решить под буквой (б)

Ответ

Автор - Piffy
1) 1/2+2/3= (3+4)/6=7/6
2) 1/2-2/3= (3-4)/6=-1/6
3) 7/6: 5/6= 7/6*6/5= 7/5
4) 12*(-1/6)= -2
5) 7/5 -(-2)= 1,4+2= 3,4
Вроде так.

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