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nytrameworc

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nytrameworc
My son is trying to find answers to a maths question n metric measures. He needs to know what 10 with a small minus in the top right hand corner with a number means. Similar to square meter symbols,...
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nytrameworc
what does 10 with a small minus 1, 2 or 3 mean?
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nytrameworc
what is the nexxt number in this sequence: 3,7,19,55?

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