a kwadrat +2 a kwadrat b +3 a kwadrat = ............+...........=5 a kwadrat+2a kwadrat b
a kwadrat+2 a kwadrat b+ ...............=5 a kwadrat + 2 a kwadrat b
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....= 4a kwadrat + 2 a kwadrat b + a kwadrat=.....
....+4 a kwadrat
O to chodzi?