Răspuns:
1. a) 27,4*1,5-25,12=41,1-25,12=15,98
b) 15,25*2,4-17,21=36,6-17,21=19,39
c) 26,8*12,5-312,123=335-312,123=22,877
2. a) 411,08:17,2+12,3=23,9+12,3=36,2
b) 16337,2:23,5-415,27=695,2-415,27=279,93
c) 3239,25:26,25-109,52=123,4-109,52=13,88
