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Preliminary

English 9 Public

Testing the prior knowledge of the student

Study Slideshow

– 9 + (-11)

- 20

15

– 9 + (- 9)

- 18

15

7 + (-18)

-11

15

–30–(-25)

-5

15

16-25

-9

15

1-(-5)

6

15

Simplify

20/63

15

Simplfiy

6/25

15

Simplify

85/9

15