Odpowiedzi

2010-03-30T18:03:46+02:00
A) -6-8*(-2) -(-3)-2*(-2)= -6-16+3+4= -15
b) -8*(-1)-4*2+(-0,5)-(-1)-2*2+1= 8-8-0,5+1-4+1= 3,5
c) 9*3-(7*3+(-2))+(6*(-2)-7*3)= 27-19+12-21= -1
2010-03-30T18:05:40+02:00
A)-6+8*(-2)+3-2*(-2)=-6-16+3+4=-15
b)-8*(-1)-4*2-0,5+1-2*2+1=8-8-0,5+1-4=-3,5
c)9*3-(7*3-2)+(6*(-2)-7*3)=27-21-2-12+21=13