36 × 25% + 3.6 × 7.5 간편 계산

36 × 25% + 3.6 × 7.5 간편 계산

36 × 25% + 3.6 × 7.5
= 36x 0.25 + 3.6 x 7.5
= 3.6 x 2.5 + 3.6 x 7.5
= 3.6 x (2.5 + 7.5)
= 3.6 x 10
= 36