78² - 56²
= (78 × 78) - (56 × 56)
= 6.084 - 3.136
= 2.948
Jawaban:
78² = 78 × 78
= 6.084
56² = 56 × 56
= 3.136
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78² - 56²
= (78 × 78) - (56 × 56)
= 6.084 - 3.136
= 2.948
Jawaban:
78² - 56² = 2.948
78² = 78 × 78
= 6.084
56² = 56 × 56
= 3.136