Odpowiedzi

2009-12-17T21:59:59+01:00
(-9-2)+4(-3-1)=-11-16=-27
(-4/5-3)+20=-19/5+20=-3,8+20=16,2
2009-12-17T22:04:33+01:00
((3 * (-3)) - 2) + 4 (-3 -1) = (-9 - 2) + 4 * -4 = -11 + 4 * -4 = -11 + (-16) = -11 - 16 = -27

(4 * (- 1/5) - 3) + 4(6-1) = ( - 4/5 - 3) + 4 * 5 = - 3 cale i cztery piate + 20 = 16 i jedna piata = 16,2
2009-12-17T22:05:41+01:00