Question

9.700 O 200 O 400=100900 O (200 O 100)=800​

Answer 1

Ответ:

700 - 200 - 400 = 100

900 - (200 - 100) = 800

Answer 2

It looks like you've written an equation with some placeholders (O) and numbers. It's a bit unclear what you're trying to convey with this equation. If you could provide more context or clarify your question, I'd be happy to help you understand or solve it.