多項式加減
展開下列各題
1.ab(2x+y)
2.4(2m+n)
3.2k(2m+5n)
4.-x(2x+2
5.-4y(2+5y)
6.2x(x+x²)
中二數學(~急~)
2007-10-11 4:49 am
回答 (10)
2007-10-11 4:55 am
✔ 最佳答案
1/ ab(2x+y)=2abx+aby
2/ 4(2m+n)
=8m+4n
3/ 2k(2m+5n)
=4km+10kn
4/ -x(2x+2)
= -2x^2 -2x
5/ -4y(2+5y)
= -8y -20y^2
6/ 2x(x+x²)
=2x^2+2x^3
參考: myself
2007-10-11 5:02 am
1. 2abx+aby
2. 8m+4n
3. 4mk+10nk
4. -2x²-2x
5. -8y-20y²
6. 2x²+2x^3
d答案一定岩嫁
ps:x^3=x既3次方
2. 8m+4n
3. 4mk+10nk
4. -2x²-2x
5. -8y-20y²
6. 2x²+2x^3
d答案一定岩嫁
ps:x^3=x既3次方
參考: me
2007-10-11 5:00 am
1)2abx+aby
2)8m+4n
3)4km+10kn
4)-2x^2-2x
5)-8y-20y^2
6)2x^2+2x^3
2)8m+4n
3)4km+10kn
4)-2x^2-2x
5)-8y-20y^2
6)2x^2+2x^3
參考: ME=]]
2007-10-11 5:00 am
1. 2abx+aby
2. 8m+4n
3. 4km+10kn
4. -2x²-2x
5. -8y-20y
6. 2x²+2x³
2. 8m+4n
3. 4km+10kn
4. -2x²-2x
5. -8y-20y
6. 2x²+2x³
2007-10-11 4:58 am
1) 2abx+aby
2) 8m+n
3) 4km+10kn
4) -2x²-2x
5) -8y-20y²
6) 2x²+2x(3次方)
2) 8m+n
3) 4km+10kn
4) -2x²-2x
5) -8y-20y²
6) 2x²+2x(3次方)
2007-10-11 4:58 am
1(2abx+aby)
2(8m+4n)
3(4km+10kn)
4(-2x²-2x)
5(-8y-20y)
6(2x²+2x*)
*是3次方
2(8m+4n)
3(4km+10kn)
4(-2x²-2x)
5(-8y-20y)
6(2x²+2x*)
*是3次方
2007-10-11 4:57 am
1.2abx+aby
2.6m+4n
3.4km+10kn
4吾識-_-
5-8y-20y2次
6.2x2次+2x3次
[吾知岩吾岩咖]
2007-10-10 20:58:33 補充：
係2.8m+4n
2.6m+4n
3.4km+10kn
4吾識-_-
5-8y-20y2次
6.2x2次+2x3次
[吾知岩吾岩咖]
2007-10-10 20:58:33 補充：
係2.8m+4n
參考: 自己計-_-
2007-10-11 4:57 am
6. 2x(x+x²)
= 2x² + 2x3
= 2x² + 2x3
2007-10-11 4:56 am
1.ab(2x+y)
=2abx+2aby
2.4(2m+n)
=8m+4n
3.2k(2m+5n)
=4km+10kn
4.-x(2x+2)
=-2x²-2x
5.-4y(2+5y)
=-8y-20y² (-20y²-8y)
6.2x(x+x²)
=2x²+2x^3
=2abx+2aby
2.4(2m+n)
=8m+4n
3.2k(2m+5n)
=4km+10kn
4.-x(2x+2)
=-2x²-2x
5.-4y(2+5y)
=-8y-20y² (-20y²-8y)
6.2x(x+x²)
=2x²+2x^3
參考: Me
2007-10-11 4:56 am
1.
ab(2x+y)
=2abx+aby
2.
4(2m+n)
=8m+4n
3.
2k(2m+5n)
=4km+10kn
4.
-x(2x+2)
=-2x^2-2x
5.
-4y(2+5y)
=-8y-20y^2
6.
2x(x+x²)
=2x^2+2x^3
ab(2x+y)
=2abx+aby
2.
4(2m+n)
=8m+4n
3.
2k(2m+5n)
=4km+10kn
4.
-x(2x+2)
=-2x^2-2x
5.
-4y(2+5y)
=-8y-20y^2
6.
2x(x+x²)
=2x^2+2x^3
收錄日期: 2021-04-19 01:29:27
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https://hk.answers.yahoo.com/question/index?qid=20071010000051KK03615