1.9 - 5 =6 - 3 =9 - 4 =11 - 6 =7 - 5 =
2.2 - 1 =11 - 8 =6 - 3 =7 - 7 =9 - 3 =
3.13 - 8 =12 - 6 =5 - 4 =7 - 4 =13 - 9 =
4.11 - 3 =13 - 7 =9 - 4 =12 - 5 =9 - 1 =
5.12 - 3 =10 - 6 =11 - 5 =4 - 2 =6 - 4 =
6.14 - 6 =12 - 6 =9 - 8 =17 - 9 =8 - 2 =
7.14 - 7 =6 - 2 =13 - 6 =14 - 5 =14 - 9 =
8.17 - 8 =4 - 3 =10 - 1 =5 - 3 =11 - 9 =
9.10 - 8 =0 - 0 =12 - 8 =13 - 5 =13 - 9 =
10.6 - 6 =3 - 1 =8 - 1 =10 - 7 =11 - 4 =
11.17 - 8 =15 - 7 =10 - 5 =7 - 2 =8 - 6 =
12.14 - 5 =12 - 4 =2 - 1 =11 - 6 =17 - 9 =
13.14 - 8 =10 - 9 =5 - 3 =11 - 2 =8 - 7 =
14.11 - 9 =10 - 6 =9 - 1 =10 - 2 =12 - 7 =
15.6 - 5 =8 - 5 =8 - 3 =12 - 5 =11 - 7 =
16.9 - 2 =10 - 5 =12 - 8 =18 - 9 =9 - 0 =
17.9 - 6 =7 - 4 =8 - 4 =10 - 7 =15 - 6 =
18.16 - 9 =18 - 9 =10 - 3 =5 - 1 =8 - 4 =
19.10 - 2 =5 - 2 =14 - 6 =14 - 7 =10 - 8 =
20.14 - 8 =9 - 7 =5 - 1 =12 - 9 =10 - 4 =

answers to this test: jakeholland.net/multest.php?vals=0-9&op=sub&seed=1893819452&answer

random multiplication test: /multest.php?vals=0-9&op=mul
random division test: /multest.php?vals=0-9&op=div
random addition test: /multest.php?vals=0-9&op=add
random subtraction test: /multest.php?vals=0-9&op=sub