Question

найтите отношения 2 2/9 к 5/9

Answer 1

 2 2/9 : 5/9 = 20/9 : 5/9 = 20/9 * 9/5 = 20/5 = 4

Answer 2

330м к 3,6км= 330/3600=11/120

Answer 3

2. х=1,8*1,2/0,8=2,7

Answer 4

х=5 2/11 * 3 1/7 : 19/21=18