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(25-20)×2=
Cum pot rezolva prin 2 moduri?


Răspuns :

1.

(25 - 20)×2 = 5×2 = 10

2.

(25 - 20)×2 = 25×2 - 20×2 = 50 - 40 = 10


(25-20)x2=
=5x2
=10

(25-20)x2=
=50-40
=10