（x-1）³＝64

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（x-1）³＝64
（x-1）³＝64

（x-1）³＝64
（x-1）³＝64
（x-1）=4
x=5

x-1=4 x=5

x－1＝4

(x - 1)³ - 64 = 0
(x - 1)³ = 64
(x - 1)³ = 4³
x - 1 = 4
x = 5

（x-1）³＝64
（x-1）³＝4×4×4
x-1＝4
x＝4+1
x＝5

（x-1）³=4³
x-1 =4
x =4+1
x=5