Предмет: Математика, автор: arina2007464

Срочно надо решить,помогите!

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Автор ответа: Schoolassistant

3:3 3/4+2 2/5*2 1/2-3 5/6

1)3:3 3/4=3/1*4/15=0,8

2)2 2/5*2 1/2=12/5*5/2=6

3)0,8+6=6,8=6 8/10

4)6 8/10-3 5/6=6 24/30-3 25/30=2 29/30

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