(3.75 + 4.1 + 2.25) × 9.8 간편 계산

(3.75 + 4.1 + 2.25) × 9.8 간편 계산

(3.75 + 4.1 + 2.25) × 9.8
= (3.75 + 2.25 + 4.1) × 9.8
= (6 + 4.1) × 9.8
= (10 + 0.1) × 9.8
= 10 × 9.8 + 0.1 × 9.8
= 98 + 0.98
= 98.98