1.8 + 2 =7 + 2 =5 + 2 =5 + 3 =1 + 5 =
2.5 + 4 =6 + 6 =3 + 9 =4 + 2 =1 + 2 =
3.5 + 7 =4 + 9 =9 + 9 =7 + 8 =9 + 3 =
4.4 + 1 =2 + 9 =2 + 4 =6 + 2 =4 + 9 =
5.5 + 8 =7 + 1 =7 + 5 =0 + 5 =1 + 8 =
6.5 + 7 =5 + 4 =9 + 8 =3 + 3 =1 + 1 =
7.1 + 6 =8 + 8 =8 + 1 =2 + 8 =4 + 3 =
8.3 + 4 =6 + 6 =6 + 8 =6 + 5 =2 + 3 =
9.5 + 5 =7 + 9 =4 + 7 =1 + 6 =4 + 4 =
10.0 + 1 =6 + 9 =4 + 4 =2 + 1 =4 + 7 =
11.5 + 1 =3 + 8 =8 + 7 =1 + 1 =1 + 3 =
12.4 + 6 =2 + 8 =9 + 2 =2 + 7 =2 + 5 =
13.1 + 4 =8 + 2 =9 + 4 =7 + 7 =2 + 5 =
14.2 + 9 =1 + 9 =7 + 9 =8 + 4 =3 + 6 =
15.3 + 2 =8 + 4 =4 + 3 =7 + 5 =4 + 1 =
16.8 + 5 =9 + 4 =4 + 5 =6 + 1 =6 + 8 =
17.2 + 4 =6 + 2 =1 + 7 =5 + 6 =6 + 4 =
18.6 + 5 =5 + 5 =3 + 8 =7 + 2 =9 + 8 =
19.7 + 4 =8 + 9 =1 + 2 =9 + 3 =7 + 3 =
20.9 + 6 =7 + 3 =3 + 9 =5 + 3 =6 + 7 =

answers to this test: jakeholland.net/multest.php?vals=0-9&op=add&seed=140698759&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