nailed it

aw yis

Desktop:fun-games user$ ./drill-1a 

             -- SUBTRACTION SPREE --

          Welcome to drill "Subtraction Spree".
  In this one, you'll have to attempt to subtract two or
  more numbers together within a certain time. limit.

                  Good luck!

Q1) What is 29 - 3?
26
> *** Correct! [ +1 POINT ]
Q2) What is 19 - 2?
17
> *** Correct! [ +1 POINT ]
Q3) What is 24 - 15?
9
> *** Correct! [ +1 POINT ]
Q4) What is 20 - 4?
16
> *** Correct! [ +1 POINT ]
Q5) What is 28 - 7?
21
> *** Correct! [ +1 POINT ]
Q6) What is 14 - 5?
9
> *** Correct! [ +1 POINT ]
Q7) What is 25 - 11?
14
> *** Correct! [ +1 POINT ]
Q8) What is 10 - 12?
-2
> *** Correct! [ +1 POINT ]
Q9) What is 27 - 17?
10
> *** Correct! [ +1 POINT ]
Q10) What is 30 - 0?
30
> *** Correct! [ +1 POINT ]
Q11) What is 30 - 8?
22
> *** Correct! [ +1 POINT ]
Q12) What is 17 - 10?
7
> *** Correct! [ +1 POINT ]
Q13) What is 11 - 2?
9
> *** Correct! [ +1 POINT ]
Q14) What is 31 - 1?
30
> *** Correct! [ +1 POINT ]
Q15) What is 14 - 0?
14
> *** Correct! [ +1 POINT ]
Q16) What is 14 - 11?
3
> *** Correct! [ +1 POINT ]
Q17) What is 29 - 15?
14
> *** Correct! [ +1 POINT ]
Q18) What is 21 - 11?
10
> *** Correct! [ +1 POINT ]
Q19) What is 27 - 4?
23
> *** Correct! [ +1 POINT ]
Q20) What is 10 - 0?
10
> *** Correct! [ +1 POINT ]
Q21) What is 13 - 4?
9
> *** Correct! [ +1 POINT ]
Q22) What is 23 - 8?
15
> *** Correct! [ +1 POINT ]
Q23) What is 15 - 5?
10
> *** Correct! [ +1 POINT ]
Q24) What is 20 - 6?
14
> *** Correct! [ +1 POINT ]
Q25) What is 25 - 7?
18
> *** Correct! [ +1 POINT ]
 *** TOTAL SCORE: 25
	Looks like you NAILED IT!
				 ** PERFECT **
Desktop:fun-games user$