1.有蓝布60米,比黄布的2倍多1/4,黄布有几米?2.有蓝布60米,黄布比蓝布的2倍多1/4,黄布几米?3.蓝布60米,黄布比蓝_数学解答

1.有蓝布60米,比黄布的2倍多1/4,黄布有几米?
2.有蓝布60米,黄布比蓝布的2倍多1/4,黄布几米?
3.蓝布60米,黄布比蓝布的2倍1/4少2米,黄布几米?
4.蓝布60米,黄布比蓝布的1/4多2米,黄布几米?

人气：271 ℃　时间：2020-05-04 08:23:57

解答

(1).2x+2x*1/4=60
2.5x=60
x=24
(2).60*2*(1+1/4)
=120*5/4
=150
(4).60*1/4+2=17