fx-82EX
x³
⚉ x2
例1
计算 2³ = 8
2 ⚉ x2 = 2³ 8
当然,你也可以通过以下方式获得
2 x■ 3 = 2³ 8
例2
计算 (−2)³ = −8
( (−) 2 ) ⚉ x2 = (-2)³ -8
其中括号并非绝对必要,因为 (−2)³ = −2³ = −8
(−) 2 ⚉ x2 = -2³ -8