A:(+7)(-8)(+5)
B:(-2)(-4)(-6)
--------(-5)(+2)
C: －－－－
----------(-10)
D:(-24)÷(-3)÷(-2)
---------------1---------1
E:(-6)×(負 －)÷(負－)
---------------2--------3
--------1
F:(負－)÷(+2)×(-4)
------- 2
更新1:
同列過程
功課問題.急即日
2007-09-25 1:05 am
中一功課請列式和列出答案THX~不要說廢說,多謝!!
A:(+7)(-8)(+5)
B:(-2)(-4)(-6)
--------(-5)(+2)
C: －－－－
----------(-10)
D:(-24)÷(-3)÷(-2)
---------------1---------1
E:(-6)×(負 －)÷(負－)
---------------2--------3
--------1
F:(負－)÷(+2)×(-4)
------- 2
A:(+7)(-8)(+5)
B:(-2)(-4)(-6)
--------(-5)(+2)
C: －－－－
----------(-10)
D:(-24)÷(-3)÷(-2)
---------------1---------1
E:(-6)×(負 －)÷(負－)
---------------2--------3
--------1
F:(負－)÷(+2)×(-4)
------- 2
回答 (2)
2007-09-25 1:14 am
✔ 最佳答案
A:(+7)(-8)(+5)= -280
B:(-2)(-4)(-6)
= -48
C. (-5)(+2)(-10)
=+100
D:(-24)÷(-3)÷(-2)
= -4
E:(-6)×(-1)÷(-1)
=+6÷(-1)
= -6
F:(-1)÷(+2)×(-4)
= -0.5x(-4)
= +2
參考: 我
2007-09-25 4:42 am
A:(+7)(-8)(+5)
=(-56)(+5)
= -280
B:(-2)(-4)(-6)
=(+8)(-6)
= -48
C. (-5)(+2)(-10)
=(-10)(-10)
=+100
D:(-24)÷(-3)÷(-2)
=(+8)÷(-2)
= -4
E:(-6)×(-1)÷(-1)
=(+6)÷(-1)
= -6
F:(-1)÷(+2)×(-4)
= (-0.5)x(-4)
= +2
=(-56)(+5)
= -280
B:(-2)(-4)(-6)
=(+8)(-6)
= -48
C. (-5)(+2)(-10)
=(-10)(-10)
=+100
D:(-24)÷(-3)÷(-2)
=(+8)÷(-2)
= -4
E:(-6)×(-1)÷(-1)
=(+6)÷(-1)
= -6
F:(-1)÷(+2)×(-4)
= (-0.5)x(-4)
= +2
參考: Me
收錄日期: 2021-04-23 22:30:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070924000051KK01982