一根绳子长3分之2米,减去4分之3,还剩多少米?
问题描述:
一根绳子长3分之2米,减去4分之3,还剩多少米?
答
2/3 × (1 - 3/4) = 2/3 × 1/4 = 1/6米
答:还剩1/6米.