Grade 7 Math: Order of operations · Parentheses or nested grouping

1. 1.B) 64Innermost brackets first: 6 − 3 = 3, then add 13, then multiply by 4.
2. 2.D) 96Innermost brackets first: 7 − 2 = 5, then add 11, then multiply by 6.
3. 3.D) 70Innermost brackets first: 14 − 7 = 7, then add 3, then multiply by 7.
4. 4.D) 66Innermost brackets first: 3 − 2 = 1, then add 5, then multiply by 11.
5. 5.D) 209Innermost brackets first: 7 − 1 = 6, then add 13, then multiply by 11.
6. 6.B) 126Innermost brackets first: 5 − 3 = 2, then add 12, then multiply by 9.
7. 7.A) 18Innermost brackets first: 4 − 1 = 3, then add 3, then multiply by 3.
8. 8.B) 72Innermost brackets first: 13 − 8 = 5, then add 3, then multiply by 9.
9. 9.C) 120Innermost brackets first: 5 − 4 = 1, then add 11, then multiply by 10.
10. 10.C) 63Innermost brackets first: 7 − 3 = 4, then add 3, then multiply by 9.

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