Răspuns:
Explicație pas cu pas:
a) 326 × 2 + 64 : 8 = 660
652 + 8 = 660
209 × 3 - 6 × 6 : 6 = 621
627 - 36 : 6 = 621
627 - 6 = 621
123 × 12 + 64 : 8 : 2 = 1480
1476 + 8 : 2 = 1480
1476 + 4 = 1480
3033 - 124 × 2 + 72 : 9 = 2793
3033 - 248 + 8 = 2793
2785 + 8 = 2793
b) 9 × 10 - ( 5 × 10 + 5 × 7 ) = 5
90 - ( 50 + 35 ) = 5
90 - 85 = 5
36 : 9 + ( 3 × 8 - 8 × 2 ) = 12
4 + ( 24 - 16 ) = 12
4 + 8 = 12
( 36 - 6 × 6 ) × ( 123 + 63 : 7 ) = 0
( 36 - 36 ) × ( 123 + 9 ) = 0
0 × 132 = 0
( 45 : 5 + 12 ) : 7 : 3 = 1
( 9 + 12 ) : 7 : 3 = 1
21 : 7 : 3 = 1
3 : 3 = 1.