7.1 分数的意义、读写及分类
(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? .
(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? .