Răspuns :
notam primul nr cu 10 x
notam al doilea nr cu 9 x
10x+9x=361
19x=361
x=361:19
x=19
19x10=190(primul nr)
19x9=171(al doilea nr)
notam al doilea nr cu 9 x
10x+9x=361
19x=361
x=361:19
x=19
19x10=190(primul nr)
19x9=171(al doilea nr)
10% din x= 10/100 * x= 1/10 * x= x/10
x-x/10=y
x+y=361
x+x-x/10 =361 aducem la acelasi numitor
10x+10x-x=3610
19x=3610
x=190
y=361-190
y=171
x-x/10=y
x+y=361
x+x-x/10 =361 aducem la acelasi numitor
10x+10x-x=3610
19x=3610
x=190
y=361-190
y=171