[(17*27+7)/27+(27*17+7)/17-(11*39+37)/39]/[(8*27+17)/27+(13*17+12)/17-(5*39+38)/39]

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 09:01:08
[(17*27+7)/27+(27*17+7)/17-(11*39+37)/39]/[(8*27+17)/27+(13*17+12)/17-(5*39+38)/39]

[(17*27+7)/27+(27*17+7)/17-(11*39+37)/39]/[(8*27+17)/27+(13*17+12)/17-(5*39+38)/39]
[(17*27+7)/27+(27*17+7)/17-(11*39+37)/39]/[(8*27+17)/27+(13*17+12)/17-(5*39+38)/39]

[(17*27+7)/27+(27*17+7)/17-(11*39+37)/39]/[(8*27+17)/27+(13*17+12)/17-(5*39+38)/39]
(17 7/27+27 7/17-11 37/39)/(13 12/17+8 17/27-5 38/39)
=(16+34/27+26+24/17-10-76/39)/(13+8-5+12/17+17/27-38/39)
=2*(8+13-5+12/17+17/27-38/39)/(13+8-5+12/17+17/27-38/39)
=2