一根十米长的绳子用去了2⼀5,还剩下多少米?

2026-05-20 02:46:19
推荐回答(2个)
回答1:

一根十米长的绳子用去了2/5,还剩下(6)米;
10*(1-2/5)
=10*3/5
=6(米)

回答2: