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What is the estimated sum of 245+475 explain it |
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Answer» Answer: 730 Step-by-step explanation: So, 200 + 400 is 600. Now, 45 +75. So just do 50+80 and that's 130. Now if you WANT to get answer. TAKE away the TWO 5's that we used to round up and you get 720. |
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