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(2009•贺州)(1)计算:-22-3×3-1+(-2)+2sin30°;(2)解分式方...
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(2009•贺州)(1)计算:-2
2-3×3
-1+(
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAASCAYAAACEnoQPAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAC0SURBVDhPzZNNDsAQEIXnXBaOY+8m1g5i6yBd
zFFe/bY0pGpViUTEN+/NA2EwiAhLcwaP9p979HOYLWTNQfvL7IJtDy0tOCFhHYpU/h1mLmAW9PoL
3CbqNeib7Vsx3f0OnEqU4KTNCbz3/HgIbCWoBEhwqjxFdV9BsDcdTd/knEvnjCAIc2Q7U5hh5Sjt
5CCrd3BUaj5Kk1ffswqHovpcuW+ma+4wAiTMHhzrRvUt5WpqFT4BvDKYovKwNAUAAAAASUVORK5C
YII=
)
-2)+2sin30°;
(2)解分式方程:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGIAAAAjCAYAAABvod/HAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
.
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