设a,b,c均为正实数,求证:1/2a+1/2b+1/2c》1/(b+c)+1/(c+a)+1/(a+b)
来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/22 14:59:42
设a,b,c均为正实数,求证:1/2a+1/2b+1/2c》1/(b+c)+1/(c+a)+1/(a+b)设a,b,c均为正实数,求证:1/2a+1/2b+1/2c》1/(b+c)+1/(c+a)+1
设a,b,c均为正实数,求证:1/2a+1/2b+1/2c》1/(b+c)+1/(c+a)+1/(a+b)
设a,b,c均为正实数,求证:1/2a+1/2b+1/2c》1/(b+c)+1/(c+a)+1/(a+b)
设a,b,c均为正实数,求证:1/2a+1/2b+1/2c》1/(b+c)+1/(c+a)+1/(a+b)
1/a+1/b+1/c=(a+b)/2ab+(b+c)/2bc+(a+c)/2ac>=1/根号ab+1/根号bc+1/根号ca>=2/(a+b)+2/(b+c)+2/(c+a)
证毕
设abc为正实数,求证:a+b+c
设a b c均为正实数 求证1/2a+1/2b+1/2C >= 1/(b+c)+1/(c+a)+1/(a+b)
设a,b,c均为正实数,求证:1/2a+1/2b+1/2c》1/(b+c)+1/(c+a)+1/(a+b)
设a,b,c均为正实数,求证:a+1/b,b+1/c,c+1/a中至少有一个不小于2如题~
设a,b,c为正实数,求证1/a+1/b+1/c+abc≥2√3
设a,b,c均为正实数,求证:a/(b+c)+b/(a+c)+c/(a+b)大于等于3/2
数学不等式求证题设a,b,c均为正实数,求证(1/2a)+(1/2b)+(1/2c)>=(1/(b+c))+(1/(c+a))+(1/(a+b))
设a,b,c为正实数,求证1/a3+1/b3+1/c3+abc≥2√3
设a.b.c为正实数,求证:1/a3+1/b3+1/c3+>=2根号3
数学题在线解答 设a,b,c均为正实数,求证1/2a+1/2b+1/2c大于等于1/(b+c)+1/(c+a)+1/(a+b)
设a,b,c均为正实数,求证1/2a+1/2b+1/2c大于等于1/(b+c)+1/(c+a)+1/(a+b)
一道关于不等式的证明题,设a,b,c均为正实数,求证1/2a +1/2b +1/2c>=1/(b+c) +1/(a+c)+ 1/(a+b)
设a,b,c,属于正实数,求证a/(b+c)+b/(c+a)+c/(a+b)>=2/3
设a,b,c为正实数,求证1/a^3+ 1/b^3+ 1/c^3+ abc>=2根号3
设a.b.c为正实数求证1/a^3+1/b^3+1/c^3+abc>=2√3
设a,b均为正实数,求证:1/aa+1/bb+ab≥2√2
设a、b、c均为正实数,求(a+b+c)[1/(a+b)+1/c]的最小值.
设a,b,c均为实数,求证:1/2a+1/2b+1/2c>=1/(b+c)+1/(a+c)+1/(a+b)