English Math

2006-10-26 11:53 am
1. How much is 19% of 45?
2. 88% of 70 is how much?

要有步驟 ( 詳細 ),中文解答,答案.Thank you very much!!!

回答 (4)

2006-10-28 11:13 pm
✔ 最佳答案
1.How much is 19% of 45?
=45的19%是多少?
45x19%<--100分中的19
=45x19/100<-可以寫成45x0.19,因為19/100=0.19
=45x0.19
=8.55


88% of 70 is how much?
=70的88%是多少?
70x88%<-同樣道理
=70x0.88
=61.6

ok?
參考: me
2006-10-26 12:10 pm
1. 45 的 百分之十九是多少?
= 45 x 19%
= 45 x 0.19
= 8.55

2. 70 的 百分之八十八是多少?
=70 x 88%
= 70 x 0.88
= 61.6
2006-10-26 12:10 pm
1. 45 x (19/100) = 45 x 0.19 = 8.55
2. 70 x (88/100) = 70 x 0.88 = 61.6
2006-10-26 12:09 pm
1. 有多少是45的百分之19?
45*19%=45*19/100=8.55

2. 70的百分之88是多少?
70*88%= 70*88/100=61.6
參考: 自己


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