(45*54*49*26)/(27*13*9*7)怎样简算怎样简算
问题描述:
(45*54*49*26)/(27*13*9*7)怎样简算怎样简算
答
(45*54*49*26)/(27*13*9*7)
=(54*26*45*49)/(27*13*9*7)
=2*2*5*7
=140