赚现金
(1)一根绳子长9米,剪去4米,剪去全长的几分之几?算式: (2)一根绳子长9米,剪去全长的,剪去多少米?算式: (3)一根绳子长9米,剪去全长的,还剩多少米?算式: (4)一根绳子,剪去全长的,还剩9米,这根绳子长多少米?算式: (5)一根绳子,剪去全长的,正好剪去了9米,这根绳子长多少米? .
试题篮