Question

540 : [ ( 120 - 12 ) : x = 10

Answer 1

\(540:\left[\left(120-12\right):x\right]=10\)

\(\Rightarrow108:x=540:10\)

\(\Rightarrow108:x=54\)

\(\Rightarrow x=108:54\)

\(\Rightarrow x=2\)

Answer 2

\(...\Rightarrow540:\left[108:x\right]=10\)

\(\left(108:x\right)=540:10=54\)

\(x=108:54=2\)

Answer 3

\(540 : [ ( 120 - 12 ) : x] = 10\)

\(\Rightarrow540:\left[108:x\right]=10\)

\(\Rightarrow108:x=540:10\)

\(\Rightarrow108:x=54\)

\(\Rightarrow x=108:54\)

\(\Rightarrow x=2\)

Vậy \(x=2\)