100 Hikes/Travel Guide: Central Oregon Cascades

100 Hikes/Travel Guide: Central Oregon Cascades

Matematika 45-(-15:3)=5-(20+15)=25+(-5:1)=-20×(16:(-4)+(5×2)=

45-(-15:3)=5-(20+15)=25+(-5:1)=-20×(16:(-4)+(5×2)=

45 - ((-15) ÷ 3)

= 45 - (5)

= 45 + 5

= 50

[tex] \\ [/tex]

5 - (20 + 15)

= 5 - 35

= -(35 - 5)

= -30

[tex] \\ [/tex]

25 + ((-5) ÷ 1)

= 25 + (-5)

= 25 - 5

= 20

[tex] \\ [/tex]

20 × (16 ÷ (-4)) + (5 × 2)

= (20 × (-4)) + 10

= -80 + 10

= -(80 - 10)

= -70

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