Question

2/x = 6/7 решите пропорцию
8/9=x/27
10/23=4/x

Answer 1

1) 2/х = 6/7,⇒ х = 2*7/6 = 14/6 = 7/3 = 2 1/3
2)8/9 = х /27, ⇒ х = 8*27/9 = 24
3) 10/23 = 4/х, ⇒ х =23*4/10= 9,2