Each question in this quiz is timed.
Calcula el valor de "x" en: 3 X = 39
11
12
13
10
15
7 X = 21
3
4
5
6
X + 30 = 46
14
16
18
A - 47 = 46
46
1
83
93
39
A + 70 = 100
20
30
70
170
200
Calcula el valor de "m" en: 4 m = 704
105
180
176
178
