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Mathematics, 15.07.2019 10:00 rehooreh14
Which expression shows you how you can use mental math to simplify the expression (53 + 23) + 7 most easily? 53 + (23 + 7)(23 + 53) + 77+ (23 + 53)7+ (53 + 23)
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Which expression shows you how you can use mental math to simplify the expression (53 + 23) + 7 most...
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