Question

Dacã a:b=5,a-b=36,atunici a=?b=?

prin metoda grafică

Answer 1

a-b = 36
a:b = 5 => a = 5×b
a |___|___|___|___|___|
b |___|
5 segmente egale - 1 segment egal = 4 segmente egale = 36
36 : 4 = 9 (un segment egal)
a = 5×9 = 45
b = 9

Verificare:
45 - 9 = 36
45 : 9 = 5

a = 45
b = 9