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Solve the following math problems: 8. 18 ÷ (4+9), 9. 4 × 12 - 20, 10. 3 + 4 ÷ 2, 11. 12 + 8 ÷ 4, 12. (20 - 4) ÷ 2, 13. 6 ÷ 2 + 11, 14. 6 × (8 + 7), 15. 5 × 6 - 1

Mathematics

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Answers

8 parts
8

1813\frac{18}{13}

9
28
11
14
13
14
14
90
15
29

Step-by-step solution

16 steps

Here are the solutions to your math problems:

Part 8· 2 steps

18÷(4+9)18 \div (4+9)

  1. Perform the operation inside the parentheses.

    4+9=134 + 9 = 13
  2. Perform the division.

    18÷13=181318 \div 13 = \frac{18}{13}

    The answer is 1813\boxed{\frac{18}{13}}.

Part 928

4×12−204 \times 12 - 20

  1. Perform the multiplication.

    4×12=484 \times 12 = 48
  2. Perform the subtraction.

    48−20=2848 - 20 = 28

    The answer is 28\boxed{28}.

Part 105

3+4÷23 + 4 \div 2

  1. Perform the division.

    4÷2=24 \div 2 = 2
  2. Perform the addition.

    3+2=53 + 2 = 5

    The answer is 5\boxed{5}.

Part 1114

12+8÷412 + 8 \div 4

  1. Perform the division.

    8÷4=28 \div 4 = 2
  2. Perform the addition.

    12+2=1412 + 2 = 14

    The answer is 14\boxed{14}.

Part 128

(20−4)÷2(20 - 4) \div 2

  1. Perform the operation inside the parentheses.

    20−4=1620 - 4 = 16
  2. Perform the division.

    16÷2=816 \div 2 = 8

    The answer is 8\boxed{8}.

Part 1314

6÷2+116 \div 2 + 11

  1. Perform the division.

    6÷2=36 \div 2 = 3
  2. Perform the addition.

    3+11=143 + 11 = 14

    The answer is 14\boxed{14}.

Part 1490

6×(8+7)6 \times (8 + 7)

  1. Perform the operation inside the parentheses.

    8+7=158 + 7 = 15
  2. Perform the multiplication.

    6×15=906 \times 15 = 90

    The answer is 90\boxed{90}.

Part 1529

5×6−15 \times 6 - 1

  1. Perform the multiplication.

    5×6=305 \times 6 = 30
  2. Perform the subtraction.

    30−1=2930 - 1 = 29

    The answer is 29\boxed{29}.

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