Question

((79 : 4772): 1,25 + (67 - 1728)) : (0,358 - 0,108) * 1,6 -1925

Answer 1

1)7/9:47/72=7*72/(9*47)=56/47

1,25=1 1/4=5/4

56/47 : 5/4=56*4/ 47*5=224/235

2)6/7-17/28=7/28=1/4

3)0,358-0,108=0,25

0,25*1,6=0,4=4/10=2/5

4)1/4:2/5=5/8

5)224/235 +5/8 - 19/25=44800+29375-35720/ 47000=38455/47000=7691/9400=0,8181915