Запишите:Формулы сокращённого умножения».
1) 43*37;
2) 53∧2 – 63∧2;
3) 472 – 372;
4) 37∧2 + 12637 + 63∧2
5)(50 + 2)∧2;
ПОМОГИТЕ ОЧЕНЬ СРОЧНО!!!!!
дАМ 70 БАЛЛОВ!!
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