Question

In which line was the mistake made?
Line 1... 50 ÷ 5(3 − 1) − 4
Line 2... 50 ÷ 5(2) − 4
Line 3... 50 ÷ 10 − 4
Line 4... 5 – 4
Line 5... 1

Answer 1

in line 2 u have
\[ \large 50\div5(2)-4 \]
and not
\[ \large 50\div(5\cdot2)-4 \]
and line 3 is the result of this last one