What's More - A. Subtract the following integers. 1. 16 - 12 = 5. 19- (-7) 2. 20 - 16 = 6. (-8) - 10 = 3. 19 - 23 = 7. -6 - 5 = 4. (-3) - (-4) = 8. (-10) - (12) 9. (-21)-(-5) 10. 11 - (-5) B. Find the missing number in each subtraction sentence. 1. O-(-5) = -9 3. 29-O= -42 5.-7-=-12 -7 - | 2. - 12-o=0 - 4= 15 4 = 4.​