小丽买一根跳绳,长2米,小兰买一根跳绳长3米,两跟跳绳共有多少米?4R2I)`)q
算式:提示(n;q(A8B0N0\.o)L3S1I(Z5E4R2I)`)q
答;两跟跳绳共有9D)v7|;J1A:u(J4t8O3r3X米。4R2I)`)q