Question

[oOo FC Tốc Độ oOo]

Tìm x:

 x:0,25+x:0,01+x:0,5+x=214

Answer 1

[oOo FC Tốc Độ oOo]

x:0,25+x:0,01+x:0,5+x=214

\(\Rightarrow x\times4+x\times100+x\times2+x=214\)

\(\Rightarrow x\times\left(4+100+2+1\right)=214\)

\(\Rightarrow x\times107=214\)

\(\Rightarrow x=214:107\)

\(\Rightarrow x=2\)

Answer 2

[ke giau mat]

x:0.25+x:0.01+x:0.5+x=214

x:(0.25+0.01+0.5+1)=214

x:1.76=214

x=214*1.76

x=376.64