Subtraction with Regrouping: 610 − 256

• Ones: 0 is less than 6 — borrow 1 ten: tens 1 → 0; 10 − 6 = 4 — write 4.
• Tens: after borrowing, 0; 0 is less than 5 — borrow 1 hundred: hundreds 6 → 5; 10 − 5 = 5 — write 5.
• Hundreds: after borrowing, 5; 5 − 2 = 3 — write 3.

610 − 256 = 354

Second check: 610 − 354 = 256

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