33:11/55:11=3/5 ; 333:111/555:111=3/5
a ) 3/5;33/55;333/555
33:11/55:11=3/5 ; 333:111/555:111=3/5
33 : 11/55 : 11 = 3/5 ; 333 : 111/555 : 111 = 3/5
hok tốt !!
Ta có : 33/55 = 3.11 / 5 . 11 = 3/5
Cũng có : 333/555 = 3.111 / 5.111 = 3/5
---> 3/5 = 33/55 = 333/ 555
( dấu ''.'' nghĩa là )
xin tiick
5;3 nbgfdopjgkmk ,f
