8/15 × 3/和搜8 + 7/15 × 3/8 = (8/15 + 7/唤祥历15) × 3/宴戚8 = 1 × 3/8 = 3/8
简便方法15分之8乘8分之3加15分之7乘8分之3等于多少
8/15 × 3/和搜8 + 7/15 × 3/8 = (8/15 + 7/唤祥历15) × 3/宴戚8 = 1 × 3/8 = 3/8
8/15 × 3/和搜8 + 7/15 × 3/8 = (8/15 + 7/唤祥历15) × 3/宴戚8 = 1 × 3/8 = 3/8
8/15 × 3/和搜8 + 7/15 × 3/8 = (8/15 + 7/唤祥历15) × 3/宴戚8 = 1 × 3/8 = 3/8