✔ 最佳答案
$10.8/3 -1.2
=$3.6-1.2
=$2.4
The price of a banana is $2.4 .
2007-10-28 15:49:14 補充:
if you want to use algebra, it will be like this:Let the price of a banana be y. 3(y+1.2)=10.83(y+1.2) / 3 =10.8 / 3 y+1.2 =3.6 y+1.2-1.2 =3.6-1.2 y =2.4The price of a banana is $2.4 .
2007-10-28 15:56:16 補充:
如果你用方程黎做,系做設个时,你就要先用Let(即系設)之后就抄最后个句(5要抄find,其他个D就要抄)同埋系設既is,am, are 通通都要换成be之后开始做解拉5好5记得要写埋答句就可以系做功课或者考试个时get满分架拉(当然要无错拉)
2007-10-28 15:59:04 補充:
如果你系用我第一种方法黎做既,你就一定要记得每一个步骤都写左单位5系既话,可能会扣分(通常都会扣)仲有要记住写埋答句先好完结
2007-10-28 16:00:39 補充:
下次遇到E D问题,5洗问人,自己想深一曾,你就会明架拉