數學[急要]*請例步驟

2009-09-28 11:19 pm
1.(a的3次方b的2次方)4次方

2.(-5s2次方)3次方

3.(-5h4次方k)3次方

回答 (2)

2009-09-29 1:30 am
✔ 最佳答案
1. ( a3 . b2 )4
= ( a3x4 ).( b2x4 )
= ( a12 . b8 )

2. ( -5S2 )3
= ( -5 )3 . ( S2x3 )
= ( -125 S6 )

3. ( -5h4 . k )3
= ( -5 )3 . ( h4x3 ) . ( k1x3 )
= ( -125 h12 k3 )
參考: 請勿抄襲...!
2009-09-29 1:33 am
Q1 =a^3*4 b^2*4
=a^12 b^8

Q2 = -125s^2*3
= -125s^6

Q3 = -125h^4*3 k^3
= -125h^12 k^3


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