Ćwiczenie 1
3b+(b+1) = 3b+b+1 = 4b+1
8n-3+(-5n+7) = 8n-3-5n+7= 3n + 4
5a-(a+1) = 5a-a-1 = 4a - 1
6x-(3+5x) = 6x-3-5x = x-3
8-3y-(-7-y+5) = 8-3y+7+y-5 = 10-2y
3+(8u-5)-(5u+2) = 3+8u-5-5u-2 = -4+3u
7z-(3-4z)+(5+z) = 7z-3+4z+5+z = 12z+2
1-5w-(w+3)-(4w-6) = 1-5w-w-3-4w+6 = 4-10w
Ćwiczenie 2
5+6x+(4y-5x-3) = 5+6x+4y-5x-3
2u-4w+(7-u+w) = 2u-4w+7-u+w
2a+(3a-2b)+(a+b) = 2a+3a-2b+a+b
2-3s+(2-3s+4t)+(1+6s) = 2-3s+2-3s+4t+1+6s
5m+3n-5-(2m-3n-5) = 5m+3n-5-2m+3n+5
3-(4a-6b)+(2-a-7b) = 3-4a+6b+2-a-7b
-2c+4-(3c+2d)-(5d-2) = -2c+4-3c-2d-5d+2
8p-(3-4p-r)-(2+3p+5r) = 8p-3+4p+r-2-3p-5r
W tym ćwiczeniu polecenie mówi tylko o tym, aby opuścić nawiasy, więc nie redukuję wyrażeń do najprostszej postaci
