Răspuns :
Răspuns
a=4/5
b=6/5
c=1
d=2
Explicație pas cu pas:
A,B,C,D-i.p cu numerele{1/2;1/3;0,4;0,2}
A+B+C+D=5
a*1/2=b*1/3=c*2/5=d*1/5=k->
a=2k
b=3k
c=5k/2
d=5k
2k+3k+5k/2+5k=5
(4k+6k+5k+10k)/2=10/2
25k=10
k=2/5
a=4/5
b=6/5
c=1
d=2
Răspuns
a=4/5
b=6/5
c=1
d=2
Explicație pas cu pas:
A,B,C,D-i.p cu numerele{1/2;1/3;0,4;0,2}
A+B+C+D=5
a*1/2=b*1/3=c*2/5=d*1/5=k->
a=2k
b=3k
c=5k/2
d=5k
2k+3k+5k/2+5k=5
(4k+6k+5k+10k)/2=10/2
25k=10
k=2/5
a=4/5
b=6/5
c=1
d=2