0.81 : 2,7 + 4.5 × 0.12 - 0.69

Question

0.81 : 2,7 + 4.5 × 0.12 - 0.69

Answer 1

1)0,81:2,7=0,3
2)4,5*0.12=0,54
3)0,3+0,54=0,84
4)0,84-0,69=0,15

Answer 2

0.3+0.54-0.69=0.84-0.69=0.15