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h.800:[425 -13×(48÷4)-(89+a×4)]
i.[( 625::a+65×7):5]:3-14=18

va rog repede ​


Răspuns :

Răspuns:

425-13×12-89-a×4=800:10

336-156-a×4=80

180-a×4=80

a×4=100

a=100:4

a=25