Question

СРОЧНО,ПОЖАЛУЙСТО !!!

Answer 1

18/81-20/9=2/9-20/9=-18/9=-2
16/100+375/100=3,91
1,5-1,8=0,3

Answer 2

0,9*8/9=0,8

Answer 3

27/20=1,35

Answer 4

(11/4+11/5)*16=(55/20+44/20)*16=99/20*16=1584/20=78,2

Answer 5

25/17:(12/17+29/11)=25/17*187/625=11/25=0,44

Answer 6

1:7/126-6/126=1*126=126