Răspuns:
sper ca te am ajutat!
Explicație pas cu pas:
1.8x(23+14)=8x37=296
8x(23+14)=8x23+8x14=184+112=296
2.(123+12)x3=135x3=405
(123+12)x3=123x3+12x3=369+36=405
3.(120-16)x4=104x4=416
120x4-16x4=480-64=416
4.5x(325-250)=5x75=375
5x(325-250)=5x325-5x250=1625-1250=375
5.(42+18)x16=60x16=960
(42+18)x16=42x16+18x16=672+288=960
6.11x(32-15)=11x17=187
11x(32-15)=11x32-11x15=352-165=187
7.15x(85-29)=15x56=840
15x(85-29)=15x85-15x29=1275-435=840
