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Paul7776
a fost răspuns

aflati x din proportia: x/1.2=(2.5-1*2/3)^2÷5/24

Răspuns :

Slavitescudora
x/6/5=(5/2-2/3)^2:5/24 amplificãm pe 5/2 cu 3 si pe 2/3 cu 2
x×5/6=(15/6-4/6)^2:5/24
x×5/6=(11/6)^2:5/24
x×5/6=121/36×24/5
x×5/6=484/30
x=484/30×6/5
x=484/25

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