f.1 math

2007-07-25 7:59 am
Simplify:
1.(6ab)(-7a^2b^2)

回答 (3)

2007-07-26 9:48 pm
✔ 最佳答案
Simplify:
1.(6ab)(-7a^2b^2)
=6ab*-7a^2*b^2
=6a*b*-7a^2*b^2
=6a*-7a^2*b*b^2
=-42a^3*b^3
=-42a^3b^3
參考: me
2007-07-25 8:05 am
其實係全部乘哂佢
數字還數字...同一個未知數既指數可以GROUP埋
=-42a^3b^3
2007-07-25 8:03 am
1.(6ab)(-7a^2b^2)
= -42a^3 b^3

2007-07-25 12:09:59 補充:
如果要再詳細就要(6ab)(-7a^2b^2)= 6 x (-7) a x a^2 x b x b^2

2007-07-26 23:00:58 補充:
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