Răspuns:
8x(23+14)=8x37=296
(8x23)+(8x14)=184+112=296
(124+12)X3=136x3=408
(124x3)+(12x3)=372+36=408
(120-16)X4=104x4=416
(120x4)-(16x4)=480-64=416
5x(325-250)=5x75=375
(5x325)-(5x250)=1625-1250=375
(42+18)x16=60x16=960
(42x16)+(18x16)=672+288=960
11x(32-15)=11x17=187
(11x32)-(11x15)=352-165=187
15x(84-29)=15x55=825
(15x84)-(15x29)=1260-435=825