PROSZĘ O ZROBIENIE ZADANIA Z ZAŁĄCZNIKA ;)
DZIĘKI
a]
18/12=(x+4)/x
18x=12(x+4)
18x-12x=48
6x=48
x=48:6
x=8
b]
6/6=(6+4+4)/x
6/6=14/x
6x=6×14
x=84:6
x=14
x/x+4=12/18
18x=12x+48 /-12x
x+4=8+4=12
b) 6/6=(4+6+6)/x
6/6=16/x
6x=69
x=16
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a]
18/12=(x+4)/x
18x=12(x+4)
18x-12x=48
6x=48
x=48:6
x=8
b]
6/6=(6+4+4)/x
6/6=14/x
6x=6×14
x=84:6
x=14
x/x+4=12/18
18x=12(x+4)
18x=12x+48 /-12x
6x=48
x=8
x+4=8+4=12
b) 6/6=(4+6+6)/x
6/6=16/x
6x=69
x=16