1. 9/22 + 1/11 ÷ 1/2
2. 5/3 × 11/5 + 4/3
3. 45 × 2/3 + 1/3 × 15
4. 7/19 + 12/19 × 5/6
5. 1/4 + 3/4 ÷ 2/3
6. 8/7 × 21/16 + 1/2
7. 101 × 1/5 – 1/5 × 21
8.50+160÷40
9.120-144÷18+35
10.347+45×2-4160÷52
11(58+37)÷(64-9×5)
12.95÷(64-45)
13.178-145÷5×6+42
14.812-700÷(9+31×11)