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442-3×[(125+125:5)-(219-72×3)]=?????

Răspuns :

442 - 3 × [ ( 125 + 125 : 5 ) - ( 219 - 72 × 3 ) ] = 1

= 442 - 3 × [ ( 125 + 25 ) - ( 219 - 216 ) ] =

= 442 - 3 × ( 150 - 3 ) =

= 442 - 3 × 147 =

= 442 - 441 =

= 1