1. 898
2. 22 × 3 = 66
22 × 8 = 176
3. (867 + 23 × 5) : 2 = (867 + 115) : 2 = 982 : 2 = 491
4. 805 + 234 = 1039
5. 505 - 14 = 491
6. 324 × 3 = 972
1. 898
2. 22 × 3 = 66
22 × 8 = 176
3. (867 + 23 × 5) : 2 = (867 + 115) : 2 = 982 : 2 = 491
4. 805 + 234 = 1039
5. 505 - 14 = 491
6. 324 × 3 = 972