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(2004•潍坊)(A)方程的解是________;(B)函数的自变量x的取值范围是___...
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(2004•潍坊)(A)方程
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAE0AAAAjCAYAAADR94eaAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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=
)
的解是________;
(B)函数
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADgAAAAkCAYAAADckvn+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAHTSURBVGhD7ZhNzoQgDIY5lwuO456buOYgbjnI
LDgKX/kdx+FzgIIQg4mZManSh7e0BaIefpGH86kJ2E1hyRUlVHGJ82BMBQVThBC4nwpoRBOKTcDf
4TtmiE4FfyvnLaaC6XNV23ImmaQZHTNETZHXddDeTCSxRI3GBCzn+XozGdDPZspvRf/Qn0oGRI/U
6QNEMBfrlKvQ1+pe8Pjcybkaw1oFI5274AfgwpFSwrmljXbbhei55gjFT/uUHEcK56PJawfAdzqW
oB4iM186mjNR2hZ7uS9IxakDhHBl2F3mhVc1nM6B/gCkoBxrnFw6AcL20mRT1iw0Q3dfIewKFATA
ClkzZeBmCv5zhkMkVL+w/lI8RNo0Abw4w4Hx8Ac7OcxNAI0D8e0VPg/n0OnCe1iDklPzTF3WNnmg
OMkNCBi6KIASAIvZFg2poBXf5gCv4jkgQq982B+GZuFjRnoouK9u07oGv2NrUEPg1Ou0Bvd9N2Db
QtSyvcz/b0DoeymsRTRhDwW9bkZJq+IZUDBoLnQN08kFfrnIzFrBvCcgOLHCGtIqekCfQa1wdh0W
Z9CLM5zbysRrWxRZtkiIliqW9t5tgNodrWK7Qh8HvhUwnmTSlCi1+gNbOZVDchQFLAAAAABJRU5E
rkJggg==
)
的自变量x的取值范围是________.
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