解:8459除以43约等于( 196.72 ) ∵已知需求出8459除以43等于多少 X ÷ Y = X / Y = Z ∴8459除以43 = 8459 ÷ 43 = 8459 × 1/43 = 8459/43 = 196.7209302 ≈ 196.72 答:8459除以43约等于196.72