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Subtraction
· Formula🧮 Formula Reference Sheet
Difference: a − b Not commutative: a − b ≠ b − a Identity: a − 0 = a Borrow: 52 − 28 → 2−8 borrow → 12−8=4, 4−2=2 → 24
⚡ Example per formula
Difference: a − b
↳52 − 28 = 24
Not commutative: a − b ≠ b − a
↳5 − 3 = 2; 3 − 5 = −2
Identity: a − 0 = a
↳47 − 0 = 47
Borrow: 52 − 28 → 2−8 borrow → 12−8=4, 4−2=2 → 24
↳52 − 28 → borrow → 12−8=4, 4−2=2 → 24
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