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8 questions
(-2+3)x[4-(-8)]
16
12
14
15
25^(1/2)= ?
10
15
5
50
30x120÷60=
60
50
55
65
6/2÷15/5
0
1
3
None
-2x - 3y = -5 Choose a wrong answer
x = 1 , y = 1
x = -2 , y = 3
x = 2 , y = -3
x = -5 , y = 5
-36÷12+23
20
21
16
15
1000/255=
0.25
0.255
0.2
0.265
13_26_39_52_65_?_91
74
76
72
78
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