pouvez vous m'aider sur cette équation
(-2/3 + 7/3) : 4/21

et

3 - 4*9 * 3/2
merci

Determinați nr reale x :
a) x+ | 1-x | = 3
b) | 2x-6 | + | 4x-2 | = 8
Va rog mult am nevoie azi , va rog !!!!!!!

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