1) 5 3/10х-2 7/100х-2/25х=
5 30/100х-2 7/100х-8/100х=3 15/100х=3 3/20х
5у-4 3/8у+4/5у=
4 40/40у-15/40у+32/40у=5 17/40у
2) 9 11/18-5 3/4-1 15/36+2 7/9=
8 58/36-5 27/36-1 15/36+2 28/36=
4 44/36=5 8/36=5 2/9
5 5/8+8 3/4-6 1/5+3=
5 25/40+8 30/40-6 8/40+3=11 7/40
3) (6 5/8-1/2)-(5 3/4-2 1/6)+(9 5/8-7 1/3)=
6 1/8-3 7/12+2 7/24=5 27/24-3 14/24+2 7/24=4 5/6
(5 1/30-2 3/5-2/15+6)-(7-6 11/12+1/4)=
(4 31/30-2 18/30-4/30+6)-(6 12/12-6 11/12+3/12)= 8 3/10- 1/3=
7 39/30-10/30=7 29/30