Special ultah [1/3]
50² - 40² =
50² - 40² =
- 50² - 40²
- ( 50 × 50 ) - ( 40 × 40 )
- 2.500 - 1.600
- 900
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Penjelasan dengan langkah-langkah:
50² - 40²
( 50 X 50 ) - ( 40 x 40)
2500 - 1600
900
semoga membantu
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