rozwiaz rownania w postaci proporcji
a) 8:x=2 1/2:6 1/4
b)3 1/3:6 1/4=x: 7 1/2
pierwsza odp= naj
a) 8/x=5/4:25/4
x*5/4=8*25/4
5/4x=50 //*4
5x=200 //:5
x=40
b)10/3:25/4=x:15/2
25/4*x=10/3*15/2
25/4x=150/6
25/4x=25 //*4
25x=100 //:25
x=4
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a) 8/x=5/4:25/4
x*5/4=8*25/4
5/4x=50 //*4
5x=200 //:5
x=40
b)10/3:25/4=x:15/2
25/4*x=10/3*15/2
25/4x=150/6
25/4x=25 //*4
25x=100 //:25
x=4