Question

[Luan Ievanluan]

Tìm x

x+x:0,5+x:0,25+x:0,125=75

Answer 1

[Ngô Hải Nam]

\(x+x:0,5+x:0,25+x:0,125=75\)

\(x+x\cdot2+x\cdot4+x\cdot8=75\)

\(x\cdot\left(1+2+4+8\right)=75\)

\(x\cdot15=75\\ x=75:15\\ x=5\)

Answer 2

[Luan Ievanluan]

C.ơn ak