Show:
Addition/Subtraktion
Reducer
Division
Multiplikation
Ligninger
100
12+13
25
100
2a+2b-b+a
3a+b
100
20/2
10
100
10*14
140
100
2x+2=6
x=2
200
120+148
268
200
5y+3b-7y+6b+x
-2y+9b+x
200
44/4
11
200
27*7
189
200
2(2+1)+x=0
x=-6
300
483+679
1162
300
2b*2+5b-a
9b-a
300
72/6
12
300
302*7
2114
300
2(x+3)=4
x=-1
400
958+7092
8050
400
4b+7a-4b-6a*2
-5a
400
777/7
111
400
1210*12
14520
400
2x(2-1)+6=2+3x
x=4