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a -5 +10 =
45 + (-20) =
-8 + ( - 9) =
-100 + 200 =

b)
35 - ( -12) =
-7 – 13 =
-5 - ( - 6) =
18 – 20 =

c)
6* (- 8) =
-13 *( - 5) =
-9 * 8 =
15 * ( - 3) =

d) 45 : ( -9) =
-150 : ( -30) =
-81 : 9 =
-72 : ( - 8) =


Odpowiedź :

Odpowiedź:

a) -5+10=5

45+(-20)=45-20=25

-8+(-9)=-8-9=-17

-100+200=100

b)35-(-12)=35+12=47

-7-13=-20

-5-(-6)=-5+6=1

18-20=-2

c)6•-(8)=-48

-13•(-5)=45

-9•8=-72

15•(-3)=-45

d)45:(-9)=-5

-150:(-30)=5

-81:9=-9

-72:(-8)=9

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