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Tall

Posted: 31/05-2006 14:58
by sissel bf
1-(2+1)(1-3)+2opphøid i 4

Posted: 31/05-2006 15:08
by Knuta
sissel bf wrote:1-(2+1)(1-3)+2opphøid i 4
1-(2+1)(1-3)+2[sup]4[/sup]
=1 -(2*1+2*(-3)+1*1+1*(-3))+2*2*2*2
=1-(2-6+1-3)+16
=1-2+6-1+3+16
=23