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(2006•福州)(1)解不等式:+1≥x,并将解集表示在数轴上.(2)先化简,后求值:,...
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(2006•福州)(1)解不等式:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAjCAYAAAB/wZEbAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEWSURBVEhL7ZZRDoQgDEQ5GXfiOlymR+Eo3Q4I
6Iq0xPVjE038MOJjOqWtjh+83INs/gN4iuyd55iOPtxXToGdc3I/Ac9iicMQXnf2kUtUWChK2rMl
5Vfw/G3i6BEWFgXBl4sCwr24Q101U76BUvQC6mCL3r5mqhziJeNLVuy3V+AkykfHyRbBBA5LYCE8
zlZKkg+WqjtcwJEwX09/PTkr5FxAPen7T+8X0SSqFz40R/I5qcIb77Db6/nYc7X4Snvs3XGh/+ie
owJb2W293ljBKjwRbUOkxJhbs1G9Cj/ZBot+pfwb3jqnIVlryg/+6/QFOObs2hg0wymc/0s07SZ4
nVQNZpxUKnz8e2GzR4Vroc/ev/ChOx8sTKd1AtfGygAAAABJRU5ErkJggg==
)
+1≥x,并将解集表示在数轴上.
(2)先化简,后求值:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADEAAAAxCAYAAABznEEcAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAH+SURBVGhD7ZmLjcMgDIaZjJ1Yh2UYhVE4XmmS
8rLBBzTKSdWpUmPz4d+G/mXmAX/sAQzm6RDaSM4MY+4ljNq4ZMVKaCmM1GHlSlgQLk18ux0OTE5a
Gr5xNWAQVkzi5yFsJcShre3EZGDTScl9+8HtaVNOWnIjdh5NLQgHwD8yUkaiJeV6iX+mHI0S05jF
Svix6s+I44VfTIiBf64Gm4vZlFP37ilhZdhRCf9cIWshJnOScbt9yIbmYLOL9yu5Q4ByFSHyMc/G
doeZPZEVURMrcVxTMpVo5SpA1GJGOYV70tnEZRGlvXLpG7f7t0Xk5JTmGo356QkXaHyUXi+N98Fw
jV3NlVSiHTNC2PHJbW+MU3yVMFeJRq5aY4fraDK2PYTXW9Sqtv8l2eGWJmzm6oFwkykUIJaN9Mp9
QhyTaTwX4rDrPh8WPPh/h91EmBdi4mZXU9m+/r7o/dZ70PeJXXa7to63J3ap0luJsxJr3UKSSqx2
C0kgbr2xwC2kh1jgFtJDLHALySFWuIWkEKvcQjKIlW4hCcRqt5AEYvj60esWxsQoCJCDhyYqO3vQ
UCgIH7Tl4EEzx89V3UJgLDxEdEXmuIUwig6I8GvquM/WdvZgCIBfitJAM91CGAa6Ek0HD5Y386mO
3zKw04nOwStRToDo3uAJD6LlNGFN6BSPgPgDYiAcD9xwVS8AAAAASUVORK5CYII=
)
,其中x=
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC/SURBVDhPzZNBEsUQEETnXBaOY+8m1g5iOwfJ
wlH6ZwRJ8ItklVSpQmn9picIg4+IsDT+iUf77R59XMz2zEB7xIw7x44e2nI+zrASZl5PxZG5OskN
0WtQdp+Ku0ClhFXnVsyWUKp45nyrH3ggjvDaokQnRIRgchtMJZRfs8fV8KVHpVUhhDR1iqDcluat
WBKu3ZIDe2iyPi0SweF+FUtA/SM58G98ZscV9xH28A1cNzenQMq9E8tF4v7KuVCsin81ApctPDAe
KwAAAABJRU5ErkJggg==
)
-2.
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