计算(-1/63)除以(1/9_2/7+2/3_1/14)
1个回答
(-1/63)÷(1/9-2/7+2/3-1/14)
=-1÷(1/9×63-2/7×63+2/3×63-1/14×63)
=-1÷(7-18+42-4.5)
=-1÷26.5
=-2/53
相关问题
用简便方法计算:-1/63除以(1/9-2/7+2/3-1/14)
(1/63)除以(1/9-2/7+2/3-1/14)=?
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数学计算(-1/63)/(1/9-2/7+2/3)要有过程啊,
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