Opgave 1
-3x-y
-3x+3y
x2-y
2x-xy
3-x·2
6-2x
26-y
12-2y
3a6-a
18a-03a2
32-a·2
6-3a·2
12-6a
Opgave 2
2x-3y
2x-6y
42-5y
8-20y
-52a-3y
-10a+15y
2a6-y
12a-2ay
3b6x--ay
18xb-3aby
3ab-a·2
3ab-3a2·2
6ab 6a2
Opgave 3
3s+8-42s-5
3·s+3·8-4·2s-4·-5
3s+24-8s-20
3s+24-8s+20
-5s+44
11x-7y-10x+6y
11x-7y-1·10x+-1·6y
11x-7y-10x-6y
x-13y
14m+7n-10m-3m
14m+7n-10m+3m
7m+7n
6a-3b-5b-3b
6a-3b-5b+3b
6a-5b
15a-12a-3a-5
15a-12a-3a+5
15a-12a+3a-5
6a-5
17x-14x-7x+2
17x-14x-7x-2
17x-14x+7x+2
10x+2
Opgave 4
5·p-2q-r+3·(p-q+2r
5p-10q-r+3p-3q+6r
8p-13+r
2a+2b+a-b
2a+4b+a-b
3a+3b
4c-d-3c+2d
4c-4d-3c-6d
c-10d
4a+5b+73a+b
4a+20b+21a+7b
25a+27b
37a+b+8a+b
21a+3b+8a+2b
29a+27b
aa-b+ba+b
a2-ab+ba+b2
a2+b2
Opgave 5
a-2a+3
a2+3a-2a-6
a2+a-1
b+4b-2
b2-2b+4b-8
b2+2b-8
a+bb+3
ab+3a+b2+3b
ab+3a+2+3c
a-bc+a
ac+a2-bc-ba
x+yy-x
xy-x2+y2-yx
-x2+y2
a+cb+3
ab+3a++3c
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