1) 4,513 - 2,789 a) 1,724 b) 7,895 2) 54,321 + 28, 945 a) 83,266 b) 109,785 3) 3,876 + 2, 469 a) 6,345 b) 5,245 4) 521,234 + 243,321 a) 764,555 b) 875,555

Addition and Subtraction

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