一块花布先用去全长的1/4,又用去余下的2/3,最后还剩3.6块,这块布原来有多少米?
问题描述:
一块花布先用去全长的1/4,又用去余下的2/3,最后还剩3.6块,这块布原来有多少米?
答
14.41-1/4=3/4
3/4×2/3=1/2
1/4+1/2=3/4
1-3/4=1/4
3.6÷1/4=14.4请采纳