Răspuns :
(720:9+100)-(630:7•4)10:2=(80+100)-(90•4):10:2=180-360:10:2=180-36:2=180-18=162
Sper ca te-am ajutat !!
(720:9+100)-(630:7x4):10:2=
(80+100)-(90x4):10:2=
180-360:10:2=
180-36:2=
180-18=162
(80+100)-(90x4):10:2=
180-360:10:2=
180-36:2=
180-18=162