1
200+57
257
2+9
11
10+11
21
82
64
123-23
100
155-50
105
45-25
20
54-5
49
52
25
is it possible?
9/4
it is not.
600/2
300
240-50
190
24-9
15
x2=4
x=?
x=2
q=42
q=?
q=16
20/4
5
233-34
199
1+1
2
2324-24
2300
1+2
3
1555555-25
1555530
456-7
449
10-(4+5)*8=
62
12345-12300
45
x=4
x/2=y*2
y=?
y=1