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Если x\y=a, y\z=1\a, то чему равно x\z?
Если x\y=a, y\z=1\a, то чему равно x\z?
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y=z/a ⇒
x/(z/a)=x*a/z=a
x*a/z=a |÷a
x/z=1.
Verified answer
1)x/y = a
x = a*y
2)
y/z = 1/a
z = y : 1/a
z = y* a/1
z = y*a
3)
x/z = (a*y)/(y*a) = 1
Ответ: 1