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There is a test question B in the seventh grade math chapter 1 1 of Shenlong Haidian.
a 1 . D2 . a3 . D4 . C5 . B6 . D7 . D8 . a9 . c 10 . b 1 1 . d 12 . c。

Two. 1.(-3,2) 2. Vertical and horizontal 3. The third quadrant is 4. 1.5. a = 1.5b(b >； =0) 6.-5-3 7 . m & gt； 1/2

8. Reduce 10 by more than 94,000 pieces. x >； 1

( 1) s = 75t (0

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