92:46,87:29,260-84: (150-108),371-96: (48:12),7 * (948-833) : 5, (159+837) : 6*4

1. 92 : 46 = (46 * 2) / 46 = 2.

2. 87 : 29 = (29 * 3) / 29 = 3.

3. 260 - 84 : (150 - 108) = 258.

1) 150 - 108 = 42;

2) 84 : 42 = (2 * 42) / 42 = 2;

3) 260 - 2 = 258.

4. 371 - 96 : (48 : 12) = 347.

1) 48 : 12 = (4 * 12) / 12 = 4;

2) 96 : 4 = (24 * 4) / 4 = 24;

3) 371 - 24 = 347.

5. 7 * (948 - 833) : 5 = 161.

1) 948 - 833 = 115;

2) 7 * 115 = 7 * 100 + 7 * 15 = 700 + 105 = 805;

3) 805 : 5 = (161 * 5) / 5 = 161.

6. (159 + 837) : 6 * 4 = 664.

1) 159 + 837 = 100 + 800 + 59 + 37 = 900 + 96 = 996;

2) 996 : 6 = (166 * 6) / 6 = 166;

3) 166 * 4 = 664.