lg(5x-x^2)/4 >=0
(5x-x^2)/4 >=1
x^2-5x+4
猜你喜欢
- 1甲乙两个机器的功率比为3:1,甲机器机械效率为80%,乙为60%,它们所做总功相等
- 2用若干辆载重量为8吨货车运货,每辆车只装5吨,剩下10吨货,每辆装8吨,则最后一辆不满不空,问有多少辆车
- 3He stood there with his eyes____his mother.He stood there,____his mother.A.staring at B.stared on
- 4兔的心脏结构包括( ) A.一心房一心室 B.二心房一心室 C.二心房二心室 D.一心房二心室
- 5A:When was the telephone invented,do you know?
- 6电路中电流与电压关系
- 7___was your vacation like?You mean ___ my vacation was?I was great.
- 81+3+5+7+9+...+2011等于多少吗?(结果保留为a的n次方)
- 9My aunt teaches english (改为一般疑问句)
- 10I would like to tell you something about my dog,shadow.Even though she is an old dog,she still has