Kak rewit primer pod nomerom 9?

Question

Kak rewit primer pod nomerom 9?

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Answer 1

9) (\|20-3) (3+\|20) = 3\|20 + 20 - 9 -3\|20 = 20 - 9 = 11(вариант С)

Comments

spasibi za pomosh

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Незачто)