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In the seventh grade, I learned to practice excel, Volume II, Mathematical Answers, Page 3 16.
(1)5 times+15 > 4X- 1

Solutions; 5X-4X & gt； - 15- 1

X & gt- 16

(2)2(X+5)& lt； 3 (X-5)

Solution: 2x+ 10

-x & lt； -25

X & gt25

The remaining two go this far, and the denominator is determined by the second question.

accomplish

Listing is ok.

The meaning of the third question:

6X & gtOr = 6- 1.2

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