中一數學~~Thx

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[匿名]

2010-01-01 2:10 am

(a) (+5)-(-2)(-3)

(b) (-6)+(+8)除(-2)

(c) (-2)(-3)+(-5)(-6)
要步驟
Thx~~~~~~~

更新1:

再打多次..等你地睇清楚=D 我驚d字太細粒 (a) (+5)-(-2)(-3) (b) (-6)+(+8)除(-2) (c) (-2)(-3)+(-5)(-6) 要步驟 Thx~~~~~~~

回答 (4)

默-_-﹑﹑

2010-01-01 2:21 am

✔ 最佳答案

(a) (+5)-(-2)(-3)
=(+5)-(+6)
=-1

(b) (-6)+(+8)除(-2)
=(-6)+(-4)
=-10

(c) (-2)(-3)+(-5)(-6)
=(+6)+(+30)
=36

希望幫到你吧=]!*

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[匿名]

2010-01-01 2:53 am

(a) (+5)-(-2)(-3)

=5-6
=-1

(b) (-6)+(+8)除(-2)

=-6+4
=-2

(c) (-2)(-3)+(-5)(-6)

=6+30
36

2009-12-31 18:55:37 補充：
(b) (-6)+(+8)除(-2)

=-6-4
=-10

參考: 自己..

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[匿名]

2010-01-01 2:17 am

(a) (+5)-(-2)(-3)
= 5-6
= 1

(b) (-6)+(+8)除(-2)
= -6-4
=-10

(c) (-2)(-3)+(-5)(-6)
= 6+30
= 36

2009-12-31 18:18:42 補充：
功課係應該自己做的，叫人幫你做，只會害了自己。

2009-12-31 18:19:26 補充：
sorry, I am wrong!!!

2009-12-31 18:19:42 補充：
(a) (+5)-(-2)(-3)
=5-6
=-1

(b) (-6)+(+8)/(-2)
=-6+(-4)
=-10

(c) (-2)(-3)+(-5)(-6)
=6+30
=36

參考: me

👍 0 👎 0

用戶33724

2010-01-01 2:14 am

(a) (+5)-(-2)(-3)
=5-6
=-1

(b) (-6)+(+8)/(-2)
=-6+(-4)
=-10

(c) (-2)(-3)+(-5)(-6)
=6+30
=36

Hope can help you!!

參考: Me

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