Răspuns :
1)0+1500:2+3*1500=750+4500=5250euro
2)2*6.8=13.6; 13.6+4.7=18.3; 30-18.3=11.7
3)30=2*6.8+4.7+x⇒x=30-13.6-4.7⇒x=11.7
2)2*6.8=13.6; 13.6+4.7=18.3; 30-18.3=11.7
3)30=2*6.8+4.7+x⇒x=30-13.6-4.7⇒x=11.7