Răspunsuri

2014-05-30T15:55:36+03:00
A-b=300
a=un segment
b=trei segmente
daca le adunam obtinem300
300÷4=75(a)
75×3=225(b)
7 3 7
2014-05-30T15:59:08+03:00
A+b=300
a=300/3
a=100
b=300-100
b=200
proba 200+100=300