2,3*11+1,8*15 6,25*16+18,9*21 9,03*25-10,7*5 12,01*6 -9,08*07

Question

2,3*11+1,8*15
6,25*16+18,9*21
9,03*25-10,7*5
12,01*6
-9,08*07

Answer 1

2,3*11+1,8*15=52,36,25*16+18,9*21=496,9
9,03*25-10,7*5=172,25
12,01*6=72,06
-9,08*07=-6,356