{4×[5+(12-2)×7]:3}×6=
={4×[5+10×7]:3}×6=
={4×[5+70]:3}×6=
={4×75:3}×6=
={300:3}×6=
=100×6=
=600
Rezultatul este 600
={4×[5+10×7]:3}×6
=[4×(5+70):3]×6
=(4×75:3)×6
=(300:3)×6
=100×6
