✔ 最佳答案
您好,我是 lop****** ,高興能解答您的問題。
問 1:10元可購雞蛋8隻,問每隻雞蛋售價若干:
解 1:
每隻雞蛋售:
10 ÷ 8
= 1.25(元)
答:每隻雞蛋售 1.25 元。
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問 2:媽媽每星期用1.5公斤食油,3.75公斤可用多少星期:
解 2:
3.75公斤可用:
3.75 ÷ 1.5
= ( 3.75 × 10 ) ÷ ( 1.5 × 10 )
= 37.5 ÷ 15
= 2.5 (星期)
答:3.75 公斤可用 2.5 星期。
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2011-07-21 12:27:29 補充:
(1)
http://s1232.photobucket.com/albums/ff377/loppyname/?action=view¤t=ttt.jpg
2011-07-21 12:28:04 補充:
(2)
http://s1232.photobucket.com/albums/ff377/loppyname/?action=view¤t=ttt.jpg
2011-07-21 12:28:27 補充:
(1)
http://s1232.photobucket.com/albums/ff377/loppyname/?action=view¤t=rrr.jpg
(2)
http://s1232.photobucket.com/albums/ff377/loppyname/?action=view¤t=ttt.jpg
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