1/36÷(1/4+1/12-7/18-1/36)+(1/4+1/12-7/18-1/36)÷1/36用倒数法,

问题描述:

1/36÷(1/4+1/12-7/18-1/36)+(1/4+1/12-7/18-1/36)÷1/36
用倒数法,

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