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Mathematics, 06.10.2019 21:30 krystalruby1219

Its says use rounding or compatible numbers to estimate the sum and example 198 + 727 ans is 200+725=925 i still don't understand how to do it. heres a problem 87+34 and here is one 222+203

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Its says use rounding or compatible numbers to estimate the sum and example 198 + 727 ans is 200+725...
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