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enclose in paretheses the expressions you need to do first then evaluate each expression.

1. 15 + 30 ÷ 6 + 8
2. 20 - 9 + 7 × 3
3. 5 × 9 - 5 + 3
4. 12 + 40 - 9 + 7²
5. 42 ÷ 6 × 7 + 3
6. 48 ÷ 6 - 4 × 2 + 35
7. 6 + 9 - 8 - 5 + 11
8. 72 ÷ 8 × 3 + 8² - 50
9. 7 + 12 ÷ 6 × 5
10. 28 - 5 + 24 ÷ 8 + 2² - 16
(the exponent in #10 is supposed to be 5)

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Sagot :

Answer:

1, 28

2, 32

3, 43

4, not sure

5, 52

6, 35

7, 13

8, not sure

9, 17

10, 14

Answer:

  1. 15 + 30 ÷ 6 + 8 =28
  2. 20 - 9 + 7 × 3  =32
  3. 5 × 9 - 5 + 3  =43
  4. 12 + 40 - 9 + 7²  =92
  5. 42 ÷ 6 × 7 + 3  =52
  6. 48 ÷ 6 - 4 × 2 + 35  =35
  7. 6 + 9 - 8 - 5 + 11  =13
  8. 72 ÷ 8 × 3 + 8² - 50  =37
  9. 7 + 12 ÷ 6 × 5  =17
  10. 28 - 5 + 24 ÷ 8 + 2² - 16 =14

Step-by-step explanation: