Ответ:
Объяснение:
1) 4х²у²-1
2)1-9а²б²
3)(5+8аб)(5-8аб)=25-64а²б²
4)100с²х²-36
5)(9сd+8)(9cd-8)=81c²d²-64
6)0.004t²-0.25u²
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Ответ:
Объяснение:
1) 4х²у²-1
2)1-9а²б²
3)(5+8аб)(5-8аб)=25-64а²б²
4)100с²х²-36
5)(9сd+8)(9cd-8)=81c²d²-64
6)0.004t²-0.25u²