204*196= (200+4)(200-4)= 200²-4²= 40000 - 16 = 39984
Ответ:
204 × 196 = 200² - 4² = 40000 - 16 = 39984
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204*196= (200+4)(200-4)= 200²-4²= 40000 - 16 = 39984
Ответ:
204 × 196 = 200² - 4² = 40000 - 16 = 39984