Subjects arithmetic

Subtract Check 412Cf7

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1. **State the problem:** Subtract 195 from 917 and check the result by adding. 2. **Write the subtraction:** $$917 - 195$$ 3. **Subtract digit by digit starting from the right:** - Units: $7 - 5 = 2$ - Tens: $1 - 9$ cannot be done, so borrow 1 from the hundreds digit. - Hundreds: $9$ becomes $8$, tens: $11 - 9 = 2$ - Hundreds: $8 - 1 = 7$ 4. **Result of subtraction:** $$722$$ 5. **Check by adding:** $$722 + 195 = 917$$ 6. Since the addition check matches the original number, the subtraction is correct. **Final answer:** $722$
917 - 195○ 712○ 622○ 1112○ 722