Răspuns :
a + b = 32
a - b = 14 => b = a + 14
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a=?
b=?
PRIN METODA FIGURATIVĂ :
a |-----|---|
b |-----|
2 p + 14 = 32
2 p = 32 - 14
2 p = 18
p = 18 : 2
p = 9
a = 14 + 9 = 23
b = 14
a - b = 14 => b = a + 14
-----
a=?
b=?
PRIN METODA FIGURATIVĂ :
a |-----|---|
b |-----|
2 p + 14 = 32
2 p = 32 - 14
2 p = 18
p = 18 : 2
p = 9
a = 14 + 9 = 23
b = 14