6 класс 20/3 : 16/9х = 0,48 : 1,2

Question

6 класс
20/3 : 16/9х = 0,48 : 1,2

Answer 1

20/3:16/9х=0,48:1,2
20/3:16/9х=0,4
16/9х=20/3:0,4
16/9х=20/3*10/4
16/9х=50/3
х=50/3:16/9
х=50/3*9/16
х=150/16=75/8=9 3/8

Answer 2

20/9:16/9х=0.48:1.2
16/9х=0.4*20/9
16/9х=8/9
х=1/2
Ответх=1/2