Question

{(5²+(3²+2²)•2]÷3-1}2²+3
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Answer 1

{[5² + (3² + 2²) × 2] ÷ 3 - 1} × 2² + 3.

{[25 + (9 + 4) × 2] ÷ 3 - 1} × 4 + 3.

{[25 + 13 × 2] ÷ 3 - 1} × 4 + 3.

{51 ÷ 3 - 1} × 4 + 3.

16 × 4 + 3 = 67.