0. 375 × 4 와 3 / 8 / 8 + 6. 625 × 0. 375 간 산

0. 375 × 4 와 3 / 8 / 8 + 6. 625 × 0. 375 간 산

0.375 × 4 와 3 / 8 - 3 / 8 + 6.625 × 0.375
= 0.375 × 4.375 + 6.625 × 0.375 - 0.375 × 1
= 0.375 × (4.375 + 6.625 - 1)
= 0.375 × 10 = 3.75