应该是x+y=6xy
那么
(x-3xy+y)/(4x-5xy+4y)
=(6xy-3xy)/(6xy-5xy)
=3xy/xy
=3
已知X加Y等于六,求X-3XY加Y)除以4X-5XY加4Y,谢谢了,帮帮我
已知X加Y等于六,求X-3XY加Y)除以4X-5XY加4Y,谢谢了,帮帮我
数学人气：766 ℃时间：2020-03-18 03:47:22
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