只要答案!! 唔該!
Q1: Find the product of the sum of 13 and 28 and the difference between 56 and 25.
Q2: 72.3 X 0.4
Q3: 80%y = 7
Q4: 0.25 X 6.16 (correct the answer to 2 decimal places)
Q5: A box contains 12 cups of noddles which weigh 1.8 kg altogether. What is the weight of each cup of noodles?
Q6: 2y/3+5 = 9 (what is y?)
Q7: Zoe used $100 on food. $100 was 50% of her original amount of money. How much did she have at first?
Q8: Amy has 60 cookies, she gave 30% of them to Tommy, what is the number of cookies does Tommy have?
Q9: 248+8 除 128 X 64
Q10: 6(y-2.6) = 4.2
急！20點！小六數學功課！(有些是英文)
2014-02-03 8:32 pm
回答 (5)
2014-02-03 9:03 pm
✔ 最佳答案
1. 12712. 28.92
3. 8.75
4. 1.54
5. 0.15 kg
6. 6
7. $200
8. 18
9. 252
10. 3.3
2014-02-03 15:18:35 補充：
haha agree with Jasonka too
I use cal 機also!
2014-02-04 10:53 am
Q1.
(13+28)(56-25)
= (41)(31)
= 1271
Q.2
72.3X0.4
= 28.92
Q3.
80%Y=7
Y=7/80%
=7/0.8
=8.75
Q.4
0.25X6.16
= 1.54
Q5.
the weight of each cup of noodles
= 1.8/12
=0.15KG
Q6:
2y/3+5 = 9
2Y/3 = 4
Y = 4X3/2
= 6
Q7:
Let $x be the amount of money she had at first
x(50%) = 100
x = 200
so, the amount of money she had at first was $200
Q8:
The number of cookies does Tommy has
= 60x30%
= 18
Q.9
248+8 除 128 X 64
= 248+8/128X64
= 252
Q10:
6(y-2.6) = 4.2
Y-2.6 = 4.2/6
Y-2.6 = 0.7
Y = 0.7+2.6
= 3.3
(13+28)(56-25)
= (41)(31)
= 1271
Q.2
72.3X0.4
= 28.92
Q3.
80%Y=7
Y=7/80%
=7/0.8
=8.75
Q.4
0.25X6.16
= 1.54
Q5.
the weight of each cup of noodles
= 1.8/12
=0.15KG
Q6:
2y/3+5 = 9
2Y/3 = 4
Y = 4X3/2
= 6
Q7:
Let $x be the amount of money she had at first
x(50%) = 100
x = 200
so, the amount of money she had at first was $200
Q8:
The number of cookies does Tommy has
= 60x30%
= 18
Q.9
248+8 除 128 X 64
= 248+8/128X64
= 252
Q10:
6(y-2.6) = 4.2
Y-2.6 = 4.2/6
Y-2.6 = 0.7
Y = 0.7+2.6
= 3.3
2014-02-03 11:47 pm
Q1.
(13+28)(56-25)
= (41)(31)
= 1271
Q.2
72.3X0.4
= 28.92
Q3.
80%Y=7
Y=7/80%
=7/0.8
=8.75
Q.4
0.25X6.16
= 1.54
Q5.
the weight of each cup of noodles
= 1.8/12
=0.15KG
Q6:
2y/3+5 = 9
2Y/3 = 4
Y = 4X3/2
= 6
Q7:
Let $x be the amount of money she had at first
x(50%) = 100
x = 200
so, the amount of money she had at first was $200
Q8:
The number of cookies does Tommy has
= 60x30%
= 18
Q9:
248+8 除 128 X 64
= 256/8192
=0.03125
Q10:
6(y-2.6) = 4.2
Y-2.6 = 4.2/6
Y-2.6 = 0.7
Y = 0.7+2.6
= 3.3
2014-02-03 15:48:46 補充：
sorry,睇錯了= =
Q.9
248+8 除 128 X 64
= 248+8/128X64
= 252
(13+28)(56-25)
= (41)(31)
= 1271
Q.2
72.3X0.4
= 28.92
Q3.
80%Y=7
Y=7/80%
=7/0.8
=8.75
Q.4
0.25X6.16
= 1.54
Q5.
the weight of each cup of noodles
= 1.8/12
=0.15KG
Q6:
2y/3+5 = 9
2Y/3 = 4
Y = 4X3/2
= 6
Q7:
Let $x be the amount of money she had at first
x(50%) = 100
x = 200
so, the amount of money she had at first was $200
Q8:
The number of cookies does Tommy has
= 60x30%
= 18
Q9:
248+8 除 128 X 64
= 256/8192
=0.03125
Q10:
6(y-2.6) = 4.2
Y-2.6 = 4.2/6
Y-2.6 = 0.7
Y = 0.7+2.6
= 3.3
2014-02-03 15:48:46 補充：
sorry,睇錯了= =
Q.9
248+8 除 128 X 64
= 248+8/128X64
= 252
參考: A F.5 STUDENT
2014-02-03 11:30 pm
q1) 1271
q2) 28.92
q3) 8.75
q4)1.54
q5) 0.15 kg
q6) 6
q7) $200
q8) 18
q9) 252
q10) 3.3
q2) 28.92
q3) 8.75
q4)1.54
q5) 0.15 kg
q6) 6
q7) $200
q8) 18
q9) 252
q10) 3.3
2014-02-03 9:12 pm
用計數機啦-_-|||
2014-02-03 13:12:33 補充：
1) 1271
2) 28.92
3) 8.75
4) 1.54
5) 0.15
6) 6
7) 200
8) 18
9) 252/ 128
10)3.3
PS: question 9, if 先乘除後加減, the answer will be 252, if not, 128
2014-02-03 13:12:33 補充：
1) 1271
2) 28.92
3) 8.75
4) 1.54
5) 0.15
6) 6
7) 200
8) 18
9) 252/ 128
10)3.3
PS: question 9, if 先乘除後加減, the answer will be 252, if not, 128
收錄日期: 2021-04-13 19:58:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140203000051KK00064