Question

(50,2 :41 5/6 -18,04 : 50 1/9) *0,05 + 4,2

Answer 1

1)50,2:41 5/6=502/100:251/6=1 1/5=1,2
2)18,04:50 1/9=1804/100:451/9=9/25=0,36
3)1,2-0,36=0,84
4)0,84*0,05=0,042
5)0,042+4,2=4,242