Current time:0:00Total duration:5:10

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# Alternate mental subtraction method

Sal explains how he subtracts numbers like 9456 and 7589 in his head. Created by Sal Khan.

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# Alternate mental subtraction method

Current time:0:00Total duration:5:10

0 energy points

Sal explains how he subtracts numbers like 9456 and 7589 in his head. Created by Sal Khan.