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7 September, 11:16

222+203 use rounding or compatible numbers to estimate the sum

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  1. 7 September, 12:04
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    Using rounding 222 would be 220 and 203 would be 205 so 220+205 = 425 so the estimate is 425
  2. 7 September, 13:33
    0
    222 rounds to 200

    203 rounds to 200

    200 + 200 = 400

    The answer is 400 (223+203=226)
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