谢啦~ (1)Three people----E,Q,J, J earn the same profit as Q. But E earns twice as many as Q. J pays for a tax rate of 20% and gets an after-tax income of 96000. What is E’s income before tax? 狗主人说是240,000,我觉得题目有歧义哎。。。 (2)有4种水果,每种至少有2个,问拿2个同类的的和一个不同类的,共有多少种可能? 我觉得也是12哎~~~