Question

2,16:2 2/10+0,3*1 4/5

Answer 1

2,16:2  2/10+0,3*1  4/5= 2,16:2,2+0,3*1,8=0,9818+0,54=1,5218

Answer 2

спс

Answer 3

1)2,16:2 2/10=54/25:11/5=54/25*5/11=54/55;
2)3/10*9/5=27/50;
3)54/55+27/50=540/550+297/550=837/550=1 287/550.