prosze o umjiejetnosc rozwiaznia równan
a) x/4=6/5
b) y/7=12/5
c) z/8=4/14
d) 60/x=4/5
e) 14/8=z/5
1) 6x = 4*5
6x= 20 / :6
x =
x = 10
-----
3
2) 12y = 7*5
12y= 35 / :12
y= 35
----
12
3)4z = 14*8
4z = 112 / :4
z = 28
4) 60*4 = 5x
240 = 5x /:5
x= 48
5) 14z = 8*5
14z = 40 / : 14
z =
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1) 6x = 4*5
6x= 20 / :6
x =
x = 10
-----
3
2) 12y = 7*5
12y= 35 / :12
y= 35
----
12
3)4z = 14*8
4z = 112 / :4
z = 28
4) 60*4 = 5x
240 = 5x /:5
x= 48
5) 14z = 8*5
14z = 40 / : 14
z =
z =