有理数计算(过程(4又1/4-5又5/12)-(12又1/6-4又1/3)
问题描述:
有理数计算(过程
(4又1/4-5又5/12)-(12又1/6-4又1/3)
答
原式=(51/12-65/12)-(73/6-26/6) [变成假分数,再通分]
=-14/12-94/12 [ 算完括号内的,再通分]
=-9 [化简得最简结果]