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IV. Directions: Simplity the following expressions following the PEMDAS or GEMDAS rule
12. 14-1) + 15+ 3-1
13. 10-13+ 4 + 2) + 15
14. (3+2) +8+2x4​


Sagot :

Answer:

12. 30

13. 18

14. 21

Step-by-step explanation:

12. (14 - 1) + 15 + 3 - 1

13 + 15 + 3 - 1

28 + 3 - 1

31 - 1

30

13. (10 - 13 + 4 + 2) + 15

(-3 + 4 + 2) + 15

(1 + 2) + 15

3 + 15

18

14. (3 + 2) + 8 + 2 × 4

5 + 8 + 2 × 4

5 + 8 + 8

13 + 8

21