Question

[12-9:3+(12-9):3] x 2 + 1 = 41​

Answer 1

1. Calculați

[ 12 - 9 ÷ 3 + ( 12 - 9 ) ÷ 3 ] × 2 + 1 <=>

<=> ( 12 - 9 ÷ 3 + 3 ÷ 3 ) × 2 + 1 <=>

<=> ( 12 - 3 + 1 ) × 2 + 1 <=>

<=> ( 9 + 1 ) × 2 + 1 <=>

<=> 10 × 2 + 1 <=>

<=> 20 + 1 <=>

<=> 21