Question

\(50-\left[\left(50-2^3.5\right):2+3\right]\)

Answer 1

\(50-\left[\left(50-2^3\cdot5\right)\div2+3\right]=50-\left[10\left(5-2^2\right)\div2+3\right]=50-\left(5\cdot1+3\right)=50-8=42\)

Answer 2

=37 nha bn

Answer 3

      50 - [( 50 - 2³. 5) : 2 + 3 ]

<=> 50 - [( 50 - 40) : 2 + 3 ]

<=> 50 - ( 5 + 3 )

<=> 50 - 8

<=> 42