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afla necunscuta 400:(196-3e)-48x2:3:8=0

Răspuns :

Răspuns:

400:(196-3e)-48x2:3:8=0

400:(196-3e)-96:3:8=0

400:(196-3e)-32:8=0

400:(196-3e)-4=0

400:(196-3e)=0+4

400:(196-3e)=4

196-3e=400:4

196-3e=100

3e=196-100

3e=96

e=96:3

e=32