Réponses

2014-05-08T22:01:00+02:00
A=√5+10√5-8√5=3√5
B=-7√5-√5+4√5=-4√5
C=√10x√2-3√5=√5√2x√2-3√5=2√5-3√5=-√5
D=√45-20√5+3√500=√(5x9)-√20√5+3√(100x5)=3√5-20√5+30√5=13√5
2014-05-08T22:03:15+02:00
A = V5+10V5-8V5
a =15V5-8V5
a = 7V5

b = -7V5 -V5 +4V5
b = -8V5+4V5
b = -8V5

c = V10xV2 -3V5
c = V20 -3V5
c= V4x5-3V5
c= V2²x5-3V5
c = 2V5-3V5
c = -1V5
c = -V5

d = V45-20V5 +3V500
d= V9x5 -20V5 +3 V100x5
d = V3²x5  -20V5 +3 V10²x5
d =3V5 -20V5+30V5
d = 33V5-20V5
d = 13V5