Right Answer : 1 Point, Wrong Answer : -0.41, Unanswered : 0.00
1) ? + ? = 23
19 + 4 20 + 2 19 + 3 19 + 5
2) 53 =
35 + 13 35 + 15 35 + 18 35 + 17
3) 28 + 89 = ?
107 117 105 115
4) 26 + ? = 83
49 47 67 57
5) 74 = 41 + ?
33 22 23 30
6) 83 - 67
16 24 14 15
7) 91 = 66 + ?
25 30 21 31
8) 37 =
28 + 19 17 + 21 17 + 16 28 + 9
9) 49 - ? = 18
27 31 22 29
10) ? - ? = 77
82 - 15 44 - 33 92 - 67 92 - 15