Реши примеры: 9×6-6×4: (33-25)×7= ; (5*9-25): 4×8-4×7-13= ; 3×(12-8): 2+6×9-33= ; (76-(27+9)+8): 6×9-33= ; 9×(2×3)-48: 8×3+7×6-34= ; (7×4+33)-3×6: 2= .

I.  9 * 6 - 6 * 4 : (33 - 25) * 7 = 33

1) 33 - 25 = 8

2) 9 * 6 = 54

3) 6 * 4 = 24

4) 24 : 8 = 3

5) 3 * 7 = 21

6) 54 - 21 = 33

II. (5 * 9 - 25) : 4 * 8 - 4 * 7 - 13 = - 1

1) 5 * 9 = 45

2) 45 - 25 = 20

3) 20 : 4 = 5

4) 5 * 8 = 40

5) 4 * 7 = 28

6) 40 - 28 = 12

7) 12 - 13 = - 1

III. 3 * (12 - 8) : 2 + 6 * 9 - 33 = 27

1) 12 - 8 = 4

2) 3 * 4 = 12

3) 12 : 2 = 6

4) 6 * 9 = 54

5) 6 + 54 = 60

6) 60 - 33 = 27

IV. (76 - (27 + 9) + 8) : 6 * 9 - 33 = 39

1) 27 + 9 = 36

2) 76 - 36 = 40

3) 40 + 8 = 48

4) 48 : 6 = 8

5) 8 * 9 = 72

6) 72 - 33 = 39

V. 9 * (2 * 3) - 48 : 8 * 3 + 7 * 6 - 34 = 44

1) 2 * 3 = 6

2) 9 * 6 = 54

3) 48 : 8 = 6

4) 6 * 3 = 18

5) 7 * 6 = 42

6) 54 - 18 = 36

7) 36 + 42 = 78

8) 78 - 34 = 44

VI. (7 * 4 + 33) - 3 * 6 : 2 = 52

1) 7 * 4 = 28

2) 28 + 33 = 61

3) 3 * 6 = 18

4) 18 : 2 = 9

5) 61 - 9 = 52