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Ответ

Ответ дан
dkrilov2005

Пошаговое объяснение:

1)8/5*3/4 = (8*3)/(5*4) = 24/20 =12/10

2)12/10+11/8=(96+11)/80=107/80

Ответ

Ответ дан
Amigo3

Ответ: 1) 8/5*3/4=1,6*0,75=1,2=1 1/5=6/5.

2) 6/5+11/8=(6*8+11*5)/40=103/40=

=2 23/40.

Пошаговое объяснение:

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