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64:8x5:a:2=15-2x5
35:5x8-a=4x3x2


Răspuns :

Răspuns:

64:8x5:a:2=15-2x5

4x5:a:2=15-10

20:a:2=5

20:2:a=5

10:a=5

a=10x5

a=50

35:5x8-a=4x3x2

7x8-a=24

56-a=24

a=56-24

a=32

Sper ca te-am ajutat