mod57 mod57
  • 02-02-2020
  • Mathematics
contestada

21 and 24 and 26
Only

21 and 24 and 26 Only class=

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gcantiga44
gcantiga44 gcantiga44
  • 02-02-2020

21.

3 - 4 × 5 + 5

3 - 20 + 5

- 17 + 5

- 12

24.

[tex]\frac{2(3-7)+4(8)}{4(-3)+(-3)(-2)}[/tex]

[tex]\frac{2(-4)+4(8)}{4(-3)+(-3)(-2)}[/tex]

[tex]\frac{-8+32}{-12+6}[/tex]

[tex]\frac{24}{6}[/tex]

4

26.

-(3 - 5) - (2 - (3² - 13))

-(- 2) - (2 - (9 - 13))

2 - (2 - (- 4))

2 - (2 + 4)

2 - (6)

- 4

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