Question

QUIZ #304

1. 3² - 4 + (-2) - (7 - 4) = ...
2. 3² + 4 - (-2) - (7 + 4) = ...
3. 3² - 4 + 2 + 7 - 4 = ...
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Answer 1

Jawaban:

No 1 :

3² - 4 + (-2) - (7 - 4)

= (3 × 3) - 4 + (-2) - (7 - 4)

= 9 - 6 - 3

= 0

____________________

No 2 :

3² + 4 - (-2) - (7 + 4)

= (3 × 3) + 4 - (-2) - (7 + 4)

= 9 + 6 - 11

= 15 - 11

= 4

____________________

No 3 :

3² - 4 + 2 + 7 - 4

= (3 × 3) - 4 + 2 + 7 - 4

= 9 - 4 + 2 + 7 - 4

= 5 + 2 + 7 - 4

= 7 + 7 - 4

= 14 - 4

= 10

–Rynur59–

Answer 2

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3² - 4 + (-2) - (7 - 4)

(3 × 3) + 4 + (-2) - 3

9 + 4 + (-2) - 3

13 + (-2) - 3

11 - 3

8

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3² + 4 - (-2) - (7 + 4)

(3 × 3) + 4 - (-2) - 11

9 + 4 - (-2) - 11

13 - (-2) - 11

15 - 11

4

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3² - 4 + 2 + 7 - 4

(3 × 3) - 4 + 2 + 7 - 4

9 - 4 + 2 + 7 - 4

5 + 2 + 7 - 4

7 + 7 - 4

14 - 4

10

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