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来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 06:49:57

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原式化为:[(2^-1)/2^] [(3^-1)/3^] [(4^-1)/4^].[(100^-1)/100^=[(2-1)(2+1)/2^] [(3-1)(3+1)/3^] [(4-1)(4+1)/4^].[(99-1)(99+1)/99^] [(100-1)(100+1)/100^]=[(2-1)/2] [(100+1)/100]=[1/2]*[101/100]=101/200