22. 方程3/2 y +1=1/2 y-5的根是_________。
29. 如果30:24:a=b:8:4，求a 和b 的值。
答案: a=_________，b=__________
44. 家祺把$16000 存入銀行，年利率是4.5%，以複利息計算，每年計息一次。求2 年後家祺所得的利息。(列息計算)
數學TSA
2008-05-12 7:06 pm
回答 (2)
2008-05-12 7:17 pm
✔ 最佳答案
22. 3/2y+1=1/2y-5
3/2y-1/2y=-5-1
y=-6
29.
30:24=b:8
30/24=b/8
b=30/24 x 8
b=10
24:a=8:4
24/a=8/4
a=24/8 x 4
a=12
44.
{16000 x (1+4.5%) x (1+4.5%)} - 16000
=17472.4-16000
=1472.4
參考: me
2008-05-12 7:23 pm
22.
3/2y+1=1/2y-5
3/2y-1/2y=-5-1
y=-6
29.
30:24=b:8
30/24=b/8
b=30/24 x 8
b=10
24:a=8:4
24/a=8/4
a=24/8 x 4
a=12
44.
{16000 x (1+4.5%) x (1+4.5%)} - 16000
=17472.4-16000
=1472.4
3/2y+1=1/2y-5
3/2y-1/2y=-5-1
y=-6
29.
30:24=b:8
30/24=b/8
b=30/24 x 8
b=10
24:a=8:4
24/a=8/4
a=24/8 x 4
a=12
44.
{16000 x (1+4.5%) x (1+4.5%)} - 16000
=17472.4-16000
=1472.4
收錄日期: 2021-04-13 15:32:55
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080512000051KK00824