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alx=4+(-10)-24-(-15); 8. Calculează sumele: a) S =-1-2-3-4-5+-99+100; 10 1 b) S₂ = -2+4-6+8-10+-198+200 -0. calculează sumay-​

Răspuns :

Răspuns:

[tex]x=4+(-10)-24-(-15)\\\\x=4-10-24+15\\\\x=-15\\\\S_{1} S =-1-2-3-4-5+-99+100\\\\S_{1} =-14\\\\\\S_{2} = -2+4-6+8-10+-198+200 -0\\\\S_{2} =-4\\\\\\-14+(-4)=-14-4=-18-suma[/tex]