以后把题目打清楚点,这不是猜题,而且题目错了2mx^2 y应为2mx^a y
【解】1.2a-3=a
a=3
(7a-22)^2003=-1
2.m=0关n什么事啊
一道数学题``我不会做吖```谁会```
一道数学题``我不会做吖```谁会```
如果单项式2mx^2 y与-5nx^2a-3 y 是关于X,Y的单项式,且它们的和是单项式.
问1.求(7a-22)^2003的值
2.若2mx^a y =0,且XY不等于0,求(2m-5n)^2003的值
如果单项式2mx^2 y与-5nx^2a-3 y 是关于X,Y的单项式,且它们的和是单项式.
问1.求(7a-22)^2003的值
2.若2mx^a y =0,且XY不等于0,求(2m-5n)^2003的值
数学人气:646 ℃时间:2020-04-13 23:23:48
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