m + b + p = 22
b = m + 2
b = p : 4
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mere, banane, portocale=?
Metoda figurativa:
m |----------|
b |----------|-2-| }22 fructe (Suma)
p |----------|-2-|----------|-2-|----------|-2-|----------|-2-|
22 - ( 2 + 2 + 2 + 2 + 2 ) = 22 - 10 = 12
Avem sase segmente egale.
12 : 6 segm. = 2 ( mere )
2 + 2 = 4 ( banane )
4 × 4 = 16 ( portocale )
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V=2+4+16=22