計算下列各題
(a) 12.5 x (1+30%)
(b) 7.5 / (1-40%)
(c) 3/8 x (1+60%)
(d) 1/4 / (1-95%)
請幫忙 thx
中一數學問題
2006-12-01 3:36 am
回答 (12)
2006-12-01 4:20 am
(a)> 16.25
(b)> 12.5
(c)> 0.6
(d)> 5
(b)> 12.5
(c)> 0.6
(d)> 5
2006-12-01 3:51 am
(a) 12.5 x (1+30%)=16.25
(b) 7.5 / (1-40%)=12.5
(c) 3/8 x (1+60%)=0.6
(d) 1/4 / (1-95%)=5
(b) 7.5 / (1-40%)=12.5
(c) 3/8 x (1+60%)=0.6
(d) 1/4 / (1-95%)=5
2006-12-01 3:46 am
a)12.5x1.3
=16.25
b)7.5/0.6
=4.5
c)3/8x1.6
=0.6
d)1/4x0.05
=0.0125
其實你只需將%變為小數 ex(70%=0.7)因為100%=1,咁70%就係100分中嘅70
即係0.7啦!
=16.25
b)7.5/0.6
=4.5
c)3/8x1.6
=0.6
d)1/4x0.05
=0.0125
其實你只需將%變為小數 ex(70%=0.7)因為100%=1,咁70%就係100分中嘅70
即係0.7啦!
2006-12-01 3:43 am
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2006-12-01 3:42 am
A)12.5*130%=16.25
B)7.5/60%=4.5
C)3/8*160%=0.6
D)1/4/5%=0.125
100分!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
B)7.5/60%=4.5
C)3/8*160%=0.6
D)1/4/5%=0.125
100分!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
參考: me 我中2
2006-12-01 3:42 am
(a) 12.5 x (1+30%)=16.25
(b) 7.5 / (1-40%)=12.5
(c) 3/8 x (1+60%)=0.6
(d) 1/4 / (1-95%)=5
( )<--內的數要先計..
(b) 7.5 / (1-40%)=12.5
(c) 3/8 x (1+60%)=0.6
(d) 1/4 / (1-95%)=5
( )<--內的數要先計..
2006-12-01 3:42 am
(a)12.5X1.3
=16.25
(b)7.5/0.6
=12.5
(c)3/8X1.6
=0.6
(d)0.25/0.05
=5
=16.25
(b)7.5/0.6
=12.5
(c)3/8X1.6
=0.6
(d)0.25/0.05
=5
2006-12-01 3:40 am
(a) 12.5 x (1+30%)
= 16.25
(b) 7.5 / (1-40%)
= 12.5
(c) 3/8 x (1+60%)
= 0.6
(d) 1/4 / (1-95%)
= 5
= 16.25
(b) 7.5 / (1-40%)
= 12.5
(c) 3/8 x (1+60%)
= 0.6
(d) 1/4 / (1-95%)
= 5
參考: me
2006-12-01 3:39 am
a). 16.25
b). 12.5
c). 0.6
d). 5
b). 12.5
c). 0.6
d). 5
收錄日期: 2021-04-12 15:53:12
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061130000051KK03223