1/24=1/a+1/b,a和b的和最小是多少?
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1/24=1/a+1/b,a和b的和最小是多少?
过程
过程
a,b分别为4,6
10
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12,利用高中数学中的公式(a+b)^>=2ab,对原式进行如下变化:1/24=1/a+1/b右边通分可推出,1/24=a+b/ab,推倒既可以得出答案。
1/22+1/23+1/24+1/25+1/26+1/27+1/28+1/29+1/30=?
1/24+1/120+1/360+1/840+1/630= 最简单的方法
(1/8+1/24+1/48+1/80+1/120+1/168+1/224)*64=?
1/( )+1/( )+1/( )+1/( )+1/( )+1/( )=1
1/8=1/( )+1/( )1 1/10=1/( )+1/( )1/12=1/( )+1/( )+1/( )
5/6=1/?+1/?+1/?
1/4+1/12+1/24+1/40+.....1/19800= 多少,运算方法是怎么样的?
1/3=??????
1/(?)+1/(?)+1/(?)+1/(?)+1/(?)=1 填入不同的自然数
一:1/8=1/( )+1/( )二:1/10=1/( )+1/( )三:1/12=1/( )+1/( )+1/( )