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Question

ПОМОГИТЕ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Найдите неизвестный член пропорции: 1) x/6 = 4/9; 2) 60/z = 5/7; 3) 2,2/3,2 = b/3,85; 4) 5/2,7 = 0,45/a; 5) с:2,43 = 2:5; 6) 7/18 : 5/9 = x: 3/14

Answer 1

Напишу формулу там на калькуляторе посчитаешь 
1. x=4*6/9
z=60*7/5
b=2.2*3.85/3.2
a=0.45*2.7/5
c=2*2.43/5
x=(7/18*3/14):5/9