Penjelasan dengan langkah-langkah:
90² - 15 × 2
= (90 × 90) - 15 × 2
= 8.100 - 15 × 2
= 8.100 - 30
= 8.070
Jawaban:
90² = 90×90
= 8.100
90² -15×2 = 8070
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Penjelasan dengan langkah-langkah:
90² - 15 × 2
= (90 × 90) - 15 × 2
= 8.100 - 15 × 2
= 8.100 - 30
= 8.070
Jawaban:
90² = 90×90
= 8.100
90² -15×2 = 8070