4.4 + 4.4 × 12 + 13 × 5.6 =...

4.4 + 4.4 × 12 + 13 × 5.6 =...

4.4 + 4.4 × 12 + 13 × 5.6, = 4.4 × (12 + 1) + 13 × 5.6, = (4.4 + 5.6) × 13, = 10 × 13, = 130. 그러므로 답 은: 130.