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1) Daca x=4 si y+z=6,sa se calculeze:
a) 5x + 5y + 5z = ?
b) 3x + 2y + 2z = ?
c) xy + xz = ?

Urgent!Repede dau COROANA


Răspuns :

a) 5×(x+y+z)=5×(4+6)=5×10=50
b) 3×4+2×(y+z)=12+2×6=12+12=24
c) x×(y+z)=4×6=24