唔洗步驟 THX><
1. -1/2 * x =
2. 2y * 2/5 =
3. 0.2a * 6 =
4. 0.5y * (-3) =
5. (-2.5) * (-8k) =
6. 8m ÷ (-8) =
7. -4ab ÷ (-2) =
8. -8x ÷ (-0.5) =
9. a/5 * (-1/3) =
10. (-2p)*(-2/7)=
11. b/3 * (-a/7) =
1. (+1/2)(-y/3)(1/5) =
2. (-11m)*(-5)*(k)=
3. 11*(-8b^3)=
4. (-2d^3)*17d^2 =
5. (-9h^2k) * (3hk^3)^2=
6. h^3k^5 * (-2hk^2) =
7. (-7d^2) * 9d^3 =
8. (-9/3)(-1/5)+2a/15=
中一 polynomials 20點
2012-07-25 5:43 am
回答 (3)
2012-07-25 4:55 pm
✔ 最佳答案
1. -1/2 * x = -x/22. 2y * 2/5 = 4y/5
3. 0.2a * 6 = 1.2a
4. 0.5y * (-3) = -1.5y
5. (-2.5) * (-8k) = 20k
6. 8m ÷ (-8) = -m
7. -4ab ÷ (-2) = 2ab
8. -8x ÷ (-0.5) = 16x
9. a/5 * (-1/3) = -a/15
10. (-2p)*(-2/7)= 4p/7
11. b/3 * (-a/7) = -ab/21
1. (+1/2)(-y/3)(1/5) = -y/30
2. (-11m)*(-5)*(k)= 55mk
3. 11*(-8b^3)= -88b^3
4. (-2d^3)*17d^2 =-34d^5
5. (-9h^2k) * (3hk^3)^2= -81h^4 k^7
6. h^3k^5 * (-2hk^2) = -2h^4 k^7
7. (-7d^2) * 9d^3 = -63d^5
8. (-9/3)(-1/5)+2a/15= (2a+9)/15
2012-07-25 6:26 pm
1. -1/2 * x =-0.5x
2. 2y * 2/5 =0.8y
3. 0.2a * 6 =1.2a
4. 0.5y * (-3) =-1.5y
5. (-2.5) * (-8k) =20k
6. 8m ÷ (-8) =-m
7. -4ab ÷ (-2) =2ab
8. -8x ÷ (-0.5) =16x
9. a/5 * (-1/3) =-a/15
10. (-2p)*(-2/7)=4p/7
11. b/3 * (-a/7) =-ab/21
1. (+1/2)(-y/3)(1/5) =y/30
2. (-11m)*(-5)*(k)=55k
3. 11*(-8b^3)=-88b^3
4. (-2d^3)*17d^2 =-34d^5
5. (-9h^2k) * (3hk^3)^2=-81h^4k^7
6. h^3k^5 * (-2hk^2) =-2h^4k^7
7. (-7d^2) * 9d^3 =-63d^5
8. (-9/3)(-1/5)+2a/15=(3+2a)/15
2. 2y * 2/5 =0.8y
3. 0.2a * 6 =1.2a
4. 0.5y * (-3) =-1.5y
5. (-2.5) * (-8k) =20k
6. 8m ÷ (-8) =-m
7. -4ab ÷ (-2) =2ab
8. -8x ÷ (-0.5) =16x
9. a/5 * (-1/3) =-a/15
10. (-2p)*(-2/7)=4p/7
11. b/3 * (-a/7) =-ab/21
1. (+1/2)(-y/3)(1/5) =y/30
2. (-11m)*(-5)*(k)=55k
3. 11*(-8b^3)=-88b^3
4. (-2d^3)*17d^2 =-34d^5
5. (-9h^2k) * (3hk^3)^2=-81h^4k^7
6. h^3k^5 * (-2hk^2) =-2h^4k^7
7. (-7d^2) * 9d^3 =-63d^5
8. (-9/3)(-1/5)+2a/15=(3+2a)/15
2012-07-25 7:51 am
冇問題！去搵數學先生教你啦！
收錄日期: 2021-04-27 15:44:37
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https://hk.answers.yahoo.com/question/index?qid=20120724000051KK00715