October 2018 2 28 Report

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Temat : Dpdawaniei odejmowanie liczb wymiernych !

Zad. 11 - Oblicz jak naprostszym sposobem :

a) 105 + (-7) + (-13) + 20 = ?

b) -16 + 67 + (-10) + (-7) + 66 = ?

c) 2 i dwie piąte + (-4,1) + 7 i trzy piąte + (-5,9) = ?

d) 4 i cztery siódme + 5,4 + (-1 i cztery siódme) + (-7,4) = ?

e) -0,75 + 6,3 + (-1,1) + (-jedna czwarta) + (-6,3) = ?

Zad. 8 - Uzupełnij :

a) 2 i jedna druga + (-2 i jedna druga) = ?

b) -88 + ... = 0

c) 4,73 + ... = 0

Zad. 4 - Oblicz sprytnie :

(-1) + (-2) + (-3) + (-4) + (-5) + (-6) + (-7) + (-8) + (-9) + (-10) = ?


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