Пошаговое объяснение:
(1/X)=5/8
1/X=5/8 Xнер=0
8=5X. 5X=8
X=8/5. Xнер=0
X=8/5. X=1 3/5. X=1.6
(1/y)=2/7
1/y=2/7 yнер=0
7=2 y
y=7/2 yнер=0
У=7/2. у=3 1/2. у=3.5
(1/z)=2/5 z нер=0
5=2z
z=5/2. zнер=0
z=5/2. z=2 1/2=2.5
2/x=1/3. x нер=0
6=x
x=6. x нер=0
x=6
(3/y)=5/6 yнер=0
18=5y
y=18/5. yнер=0
y=18/5. y=3 3/5=3.6
(4x)=8/9
4x=8/9.x нер=0
36=8x
x=9/2 x нер=0
x=9/2. x=4 1/2=4.5
Пошаговое объяснение:
(1/X)=5/8
1/X=5/8 Xнер=0
8=5X. 5X=8
X=8/5. Xнер=0
X=8/5. X=1 3/5. X=1.6
(1/y)=2/7
1/y=2/7 yнер=0
7=2 y
y=7/2 yнер=0
У=7/2. у=3 1/2. у=3.5
(1/z)=2/5 z нер=0
5=2z
z=5/2. zнер=0
z=5/2. z=2 1/2=2.5
2/x=1/3. x нер=0
6=x
x=6. x нер=0
x=6
(3/y)=5/6 yнер=0
18=5y
y=18/5. yнер=0
y=18/5. y=3 3/5=3.6
(4x)=8/9
4x=8/9.x нер=0
36=8x
x=9/2 x нер=0
x=9/2. x=4 1/2=4.5