1.18+(63:9+5)*3= 18+(7+5)*3=18+12*3=18+36=54 2.(17+81:9-18)+5*7=(17+9-18)+35=8+35=43 3.72-(54-18*2):9+4=72-(54-36):9+4=72-2+4=74 4.4*. (56:8+33:11)+400=4*(7+3)+400=40+400=440.
1) 31
2) 82
3) 96
4) 80
1.18+(63:9+5)*3= 18+(7+5)*3=18+12*3=18+36=54 2.(17+81:9-18)+5*7=(17+9-18)+35=8+35=43 3.72-(54-18*2):9+4=72-(54-36):9+4=72-2+4=74 4.4*. (56:8+33:11)+400=4*(7+3)+400=40+400=440.
1) 31
2) 82
3) 96
4) 80