Salutare !
Intrebare : Afla numerele care se ascund in spatele stelutelor .
a) X + 6032 + 4 x 5 = 999
X +6032 + 20 = 999
X + 6052 = 999
X = 999-6052 = - 5053
X = - 5053
b) X + ( 3344 - 123 ) + 11 = 3876
X + 3221 + 11 = 3876
X + 3232 = 3876
X =644
c) X : 3 =18+5
X : 3 = 23 => X = 23 x 3 = 69
X = 69
#Albert1001
