有理数(+1/6)-(+1/3)-(-1/12)求计算结果和过程.

Question

有理数(+1/6)-(+1/3)-(-1/12)
求计算结果和过程.

Answer 1

(+1/6)-(+1/3)-(-1/12)
=1/6-1/3+1/12
=2/12-4/12+1/12
=-1/12
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