Question | Answer | % Correct |
---|---|---|
61 + 19 | 80 | 95%
|
64 + 95 | 159 | 91%
|
84 + 88 | 172 | 91%
|
33 + 109 | 142 | 88%
|
254 + 65 | 319 | 75%
|
154 - 33 | 121 | 71%
|
97 - 28 | 69 | 65%
|
66 - 19 | 47 | 60%
|
312 - 213 | 99 | 40%
|
614 + 312 | 926 | 27%
|
519 - 27 | 492 | 23%
|
109 + 489 | 598 | 12%
|
654 - 156 | 498 | 5%
|
819 - 137 | 682 | 5%
|
975 - 276 | 699 | 2%
|
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