Răspuns :
a = |-----|-----|-----|-----|-----|-----|-----|-----|-----|
b = |-----|
700: 10 = 70 (b)
70 x 9 = 630 (a)
SAU
a+b=700
a:b=9 ⇒ a=9b
9b+b= 700
10b= 700
b= 700:10
b= 70
a=700-70
a=630
b = |-----|
700: 10 = 70 (b)
70 x 9 = 630 (a)
SAU
a+b=700
a:b=9 ⇒ a=9b
9b+b= 700
10b= 700
b= 700:10
b= 70
a=700-70
a=630