Respostas
respondido por:
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a)
11/7=Z/56
11 = z
----- ------
7 56
11.56 = z
-----
7
11.8 = z
88 = z
z = 88
88
------
56
***************************
b)
2/5=18/Y
2 = 18
----- ------
5 y
2y = 5.18
2y = 90
y = 90/2
y = 45
18
------
45
********************************
c)
W/6=3/18
w 3
------ = ------
6 18
w = 6.3
-------
18
w = 18/18
w = 1
1
-----
6
****************************
d)
10/X=20/8
10 20
---- = ------
x 8
10.8 = 20x
80 = 20x
80
----- = x
20
4 = x
x = 4
10
-----
4
11/7=Z/56
11 = z
----- ------
7 56
11.56 = z
-----
7
11.8 = z
88 = z
z = 88
88
------
56
***************************
b)
2/5=18/Y
2 = 18
----- ------
5 y
2y = 5.18
2y = 90
y = 90/2
y = 45
18
------
45
********************************
c)
W/6=3/18
w 3
------ = ------
6 18
w = 6.3
-------
18
w = 18/18
w = 1
1
-----
6
****************************
d)
10/X=20/8
10 20
---- = ------
x 8
10.8 = 20x
80 = 20x
80
----- = x
20
4 = x
x = 4
10
-----
4
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