math 體積

2007-10-07 2:27 am
水箱長70厘米,闊50厘米,高20厘米,現在箱裏有水15厘米高,還要加入多少立方厘米的水,才可注滿水箱?




要算式和答案........

回答 (6)

2007-10-07 3:07 am
✔ 最佳答案
還要加入水:
70x50x(20-15)
=3500x5
=17500(立方厘米)
還要加入17500立方厘米的水,才可注滿水箱.
2007-10-07 2:54 am
17500立方厘米
2007-10-07 2:44 am
=70x50x5
=17500cm^2
2007-10-07 2:34 am
70x50x20-70x50x15
=70x50x(20-15)
=70x50x5
=17500立方厘米
參考: nil
2007-10-07 2:30 am
70 x 50 x 5 = 17,500 cm^3
參考: me
2007-10-07 2:29 am
70*50*(20-15)
=3500*5
=17500cm^2


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