Question

[Sakura Kitaouji]

Tìm x:

x:1/2+x:1/4+x:1/6+x:1/8+x:1/10=1

Answer 1

[Five centimeters per second]

x : 1/2 + x : 1/4 + x : 1/6 + x : 1/8 + x : 1/10 = 1

\(x\cdot2+x\cdot4+x\cdot6+x\cdot8+x\cdot10=1\)

\(x\cdot\left(2+4+6+8+10\right)=1\)

\(x\cdot30=1\)

\(x=\frac{1}{30}\)