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would you choose to use a hundred chart to solve 90- 80? why or why. not ? if not. which strategy would work better?
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would you choose to use a hundred chart to solve 90- 80? why or why. not ? if not. which strategy would work better?

User Nilo De Roock
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1 Answer

2 votes
Yes beacause they aré both close to the number 100
User Sean Summers
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