Odpowiedzi

2010-03-07T13:04:09+01:00
A) (-2+5)*(-3)=3*(-3)=-9
b)(4-(-6))podzielone (-2)=(4+6)/(-2)=10/(-2)=-5
c)(-13-8)podzielone(-3+10)=(-21)/7=-3
d)(12-18)-(17-(-3))= (-6)-(17+3)=(-6)-20=-26
2010-03-07T13:04:52+01:00
A) (-2+5)*(-3)= 3*(-3)= (-9)
b)(4-(-6))/ (-2)= (4+6)/(-2)=10/(-2)=(-5)
c)(-13-8)/(-3+10)=(-21)/7=(-3)
d)(12-18)-(17-(-3))= (-6)-(17+3)=(-6)-20=(-26)
2010-03-07T13:07:10+01:00
A) 3 × - 3 = - 9
b) 10 : - 2 = - 5
c) - 21 : 7 = - 3
d) - 6 - 20 = -26