간략 계산 0.627 × 13 + 0.52 × 62.7 + 3.5 × 6.27

간략 계산 0.627 × 13 + 0.52 × 62.7 + 3.5 × 6.27

0.627 × 13 + 0.52 × 62.7 + 3.5 × 6.27
= 6.27 * 1.3 + 6.27 * 5.2 + 6.27 * 3.5
= 6.27 * (1.3 + 5.2 + 3.5)
= 6.27 * 10
= 62.7