解:10+5²等于( 35 ) ∵已知需求出10+5²等于多少 A² = A × A ∴10 + 5² = 10 + 5 × 5 = 10 + 25 = 10 + (20 + 5) = 10 + 20 + 5 = 30 + 5 = 35 答:10+5²等于35