83-27+18= 72-54:9•4= 40+24:8+28= 83-(27+18)= (72-54):9•4= (40+24):8+28= 28:(7-1•3)=
83 - 27 + 18 = 74 72 - 54 : 9 * 4 = 48 40 + 24 : 8 + 28 = 71 83 - (27 + 18) = 38 (72 - 54) : 9 * 4 = 8 (40 + 24) : 8 + 28 = 36 28 : (7 - 1 * 3) = 7
Не ошиблась я