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a:36:6:3x4x5:10x8-a=56:7:4 help. nu ma pricep.

Răspuns :

Răspuns:

[tex]a: 2x4x5:10x8-a=8:4\\a: 40:10x8-a=2\\a:32-a=2\\\frac{a}{32} -\frac{a}{1} =2\\\frac{a}{32} -\frac{32a}{32} =\frac{64}{32} \\a-32a=64\\-31a=64\\a=-\frac{31}{64}[/tex]

Explicație pas cu pas: