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How to get a number 100 by using four sevens (7’s) and a one (1)?​

By Mackenzie

How to get a number 100 by using four sevens (7’s) and a one (1)?​

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Mackenzie


5:The weight of 72 books is 9 kg. What is the weight of 30 such books? in unitary method
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simplify and reduce to it’s simple fraction 4/5 of 7/15 divided by 8/9​

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