数学第五题怎么做

2025-05-18 14:43:14
推荐回答(1个)
回答(1):

解:设小明原来有X个,则小亮原来有(1-1/4)X个
X-1/6X=(1-1/4)X+1/6X-2
5/6X=3/4X+1/6X-2
5/6X=11/12X-2
11/12X-5/6X=2
1/12X=2
X=2÷1/12
X=24