0.17
1.6
11.7
0.325
⑴450克=千克
⑵12分=时
×6= = = =
= = = =
儿童票
成人票
团体票(5人及以上)
180元
280元
140元
1÷0.25= +1 = ×24= + =
400×0.02= 10÷ = 6 ×0= 3× ﹣ ×3=