One thought on “Maths – subtract two 4-digit numbers with more than one exchange.

  • 8th November 2020 at 5:26 pm
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    4065-2128=1937
    3402
    -1309
    2093

    2309
    +1457
    3766

    5114
    -3766
    1348
    5114
    – 2309
    2805
    2805
    -1457
    1358
    3154
    – 687
    2467

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