=√(2a²b²/c³×2c/ab)
=√(4ab/c²)
∵c>0
∴原式=2/c √(ab)
根号2a平方b平方/c立方÷根号ab/2c ab>0,c大于0
根号2a平方b平方/c立方÷根号ab/2c ab>0,c大于0
数学人气:445 ℃时间:2020-05-12 16:42:23
优质解答
我来回答
类似推荐
猜你喜欢
- 1已知a的绝对值等于5,b的绝对值等于3,求a加b的值
- 2三个易混词的区别.
- 3一辆客车与一辆轿车从甲乙两地沿同一条公路相对开出,当轿车行了全程的40%,客车行了全程的七分之三,
- 4My brother ___(read) many books when I was young.
- 5如果长方形的一条边等于3m+2n,另一条边比它小m-n,这个长方形的周长为_.
- 6he felt some pains i his back to his wife after dinner.His wife was worried about very much.改错
- 7什么是归纳法和演绎法
- 8六年级有学生54人,男生占总人数的9分之4,又转来几名男生以后,男生占总人数的2分之1,又转来几名男生?速回!
- 9英语翻译
- 10求《初中课外文言文100篇(阅读精编)》的29~50的译文和答案