Răspunsuri

2014-09-02T15:15:03+03:00
0,5=5/10=1/2
0,(3)=3/9=1/3
0,25=25/100=1/4

a,b,c   ip cu 1/2 ; 1/3; 1/4

a/2=b/3=c/4=k

a=2k
b=3k
c=4k

a+b+c=36
2k+3k+4k=36
9k=36
k=4

a=2*4=8
b=3*4=12
c=4*4=16
spune ca sunt invers proportionale,nu direct proportionale
asa zice problema
a * 1/2 =b *1/3= c* 1/4 si am scris direct a/2....