Răspuns :
Răspuns:
Salut
P dreptunghi=1000m=2a+2b
b:4=a:3+34
3b=4a+32*12
3b=4a+408
2(a+b)=1000
a+b=500
a=500-b
3b=4(500-b)+408
3b=2000-4b+408
7b=2000+408
7b=2408
b=2408:7
b=344
a=500-b=500-344=156
b=156, a=344.
Răspuns:
Salut
P dreptunghi=1000m=2a+2b
b:4=a:3+34
3b=4a+32*12
3b=4a+408
2(a+b)=1000
a+b=500
a=500-b
3b=4(500-b)+408
3b=2000-4b+408
7b=2000+408
7b=2408
b=2408:7
b=344
a=500-b=500-344=156
b=156, a=344.