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FunTurtle874

what do I do in this unit mental

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CitrouilleAutonome8649

Allô! Commence par soustraire ensemble les unités, ensuite les dizaines, les centaines et pour finir les unités de milles.

Voici des liens qui pourrait t'aider:

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Hello! Start by subtracting the units together, then the tens, the hundreds and finally the thousand units.

Here are some links that might help you:

J'espère t'avoir aider!

CitrouilleAutonome8649

Ramzi Z

Hi !

You can try this calculation mentally. However, we mostly substract using columns.

You can withe the first numbers on the right and do the substraction and retract 1 for the next step if needed (see link above).

I hope this helps and if you have any other questions, feel free to ask them !

Have a nice evening !

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