1) (+23.2)+(-3.5)
2)2.9+(-4.5)
3)(+1又3/5)-(-7又3/10)
4)(-23)+(-9)-(-6)
5)1.5-[6.2-(-2.3)]-3.3
6)___169___
-13
7)(9.6)除(+4)除(-8)
8)(2.4)除[(+3)x(-16)]
9)(-6)+(-1/2)除(+4/3)
10)__(-10又1/2)(-5又1/3)__
(-3又1/2)
11)(-14)+(-8)+(-6)除(+3)
12)(-25)(+3)-(-3)(-11)
中一功課問題(數學)!急!15點
2010-10-19 4:32 am
回答 (3)
2010-10-19 4:38 am
✔ 最佳答案
1.19.72.-1.6
3.8.9
4.-26
5.-10.3
6.156
7.-0.3
8.-0.05
9.-6.375
10.196
11.-24
12.-108
我今年都係form1的`
總之你記住正正得正 負負得正 負正得負
參考: me
2010-10-20 1:28 am
1.19.7
2.-1.6
3.8.9
4.-26
5.-10.3
6.156
7.-0.3
8.-0.05
9.-6.375
10.196
11.-24
12.-108
Hope can help you ~.~
2.-1.6
3.8.9
4.-26
5.-10.3
6.156
7.-0.3
8.-0.05
9.-6.375
10.196
11.-24
12.-108
Hope can help you ~.~
2010-10-19 4:40 am
其實都唔係好難....總之(括住計左先),正負得負,正正得正,負負得正
收錄日期: 2021-04-28 14:02:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101018000051KK01274