[55/27-(7/9-11/12+1/6x36)]x0.25
请您用简便算法计算这道题,谢谢,跪求啊..
[55/27-(7/9-11/12+1/6x36)]x0.25
请您用简便算法计算这道题,谢谢,跪求啊..
[55/27-(7/9-11/12+1/6x36)]x0.25
=[2+1/27-7/9+11/12-6]X1/4
=[2-6+1/27-21/27+11/12]X1/4
=-4X1/4 +[11/12-20/27]X1/4
=[99/108-80/108]X1/4-1
=19/432-1
=-413/432