Odpowiedź :
I.
30 +( 3 × 6 + 7 × 4 ) = 30 + ( 18 + 28 ) = 30 + 46 = 76
II.
( 30 + 3 )× 6 + 7 × 4 = 33 × 3 + 28 = 99 + 28 = 127
III.
30 + 3 × ( 6 + 7 × 4 ) = 30 + 3 × (6 + 28 ) = 30 + 3 × 34 = 30 + 102 = 132
I.
30 +( 3 × 6 + 7 × 4 ) = 30 + ( 18 + 28 ) = 30 + 46 = 76
II.
( 30 + 3 )× 6 + 7 × 4 = 33 × 3 + 28 = 99 + 28 = 127
III.
30 + 3 × ( 6 + 7 × 4 ) = 30 + 3 × (6 + 28 ) = 30 + 3 × 34 = 30 + 102 = 132