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(2-3SUPRA 4)la a doua :5pe patru -0,5=x pe 8

Răspuns :

Renatemambouko
(2-3/4)²:5/4 -0,5=x/8
[(8-3)/4]² × 4/5 -1/2=x/8
(5/4)² × 4/5 -1/2=x/8
5/4 -1/2=x/8
10-4=x
x=6
1\4:5\4-5\10=x\8
1\5-5\10=x\8
2\10-5\10=x\8
-8\10=x\8

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