Matematyka dla klasy 5 str 63
Odejmowanie liczb całkowitych
zad1.b)
(-5)-5=...
(-45)-5=...
zad3
a)(-3)-1=...
(-3)+(-1)=...
b) 2-4=...
2+(-4)=...
c)(-8)-7=...
(-8)+(-7)=...
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(-5)-5=-10 (-45)-5=-50 (-3)-1=-4 (-3)+(-1)=-4 2-4=-2 2+(-4)=-2 (-8)-7 =-15 (-8)+9-7)=15
zad1
(-5)-5=-10
(-45)-5=-50
zad3
a)(-3)-1=-4
(-3)+(-1)=-3-1=-4
b)2-4=-2
2+(-4)=2-4=-2
c)(-8)-7=-15
(-8)+(-7)=-8-7=-15