Arithmetic
1+1+2
4
1/2+1/2
1
x+x
2x
3x4
12
32
9
100x2-10
190
1/3x1/2
1/6
34x-15x
19x
10x23
230
53
125
1x(30-20)
10
3/4-1/2
1/4
32+19=19+x x=
x=32
321x2
642
144
30-(39+30-40)+34
35
2/3 / 7
2/21
16+9=3x+2x x=
x=5
463x53
24539
10000000000000000000000000000000000000000000
1
(100-5+54)-38
682
2 1/3+4 2/3
7
3+3(x+3)=4x x=
x=12
345x678
233910
671351
67135