Răspuns :
354:6 + 24:8 + 35 =59+3+35=97
99 : (104 - 98 + 27:9) =99 : (104 - 98 + 3)=99:9=11
(55 : 5 - 10 + 199 - 76) x 2 =(11 - 10 + 199 - 76) x 2=124*2=248
(36:4 + 90: 9) + 2 134 - 987 =(9 + 10) + 2 134 - 987=19+2134-987=1166
876 - 72:4-87- (120 - 86: 2 - 13) =876 - 72:4-87- 64 =876 -18-87- 64 =707