1. 66
2. -36
3. 10
4. 1
1. 157 - 91 = 66
2. -12 x 3 = -36
3. 190 divided by 19 = 10
4. 2 + 1.8 ~ 3.14 (Answer is 2)
Hope this helped! Have a lovely day! ~Pooch ♥