Zadanie w załączniku Daje naj !

a).(2a-3)+(-3a+5)+(4a-1)=2a-3-3a+5+4a-1=3a+1 b).(5m²+2m-4)+(m²-3m+7)=5m²+2m-4+m²-3m+7=6m²-m+3 c).(7x²-4x+5)+(-2x²+3x-2)+3x²-8=7x²-4x+5-2x²+3x-2+3x²-8=8x²-x-5 d).(3a+2)+(4a²-5a+7)=3a+2+4a²-5a+7=4a²-2a+9 e).(p-3q-4)+(-2p+5q-9)=p-3q-4-2p+5q-9=-p+2q-13 f).(7a-b)+(5a+3b)+(4a-9)=7a-b+5a+3b+4a-9=16a+2b-9

To tyle, jeśli byłoby coś niezrozumiałe to pisz pw :)