September 2018 1 14 Report
Wzory skórconego mnożenia.

przekształć podane wyrażenia na sumy algebraiczne:
1. (a+2)*(b-2)
2. (10x+1)*(10x-1)
3. (4x-2b)*(4a+2b)
4. (0,5t+3g)*(0,5t-3g)
5. (2a²-o,1)*(2a²+0,1)
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