5m2等於多少cm2?
a)50 000cm2
b)500cm2
5m2=多少cm2
2008-02-24 6:51 am
回答 (6)
2008-02-24 7:00 am
✔ 最佳答案
答案是A5m^2
=5*(100^2) cm^2
=50000 cm^2
因為佢係cm^2,所以要乘2次方
*100姐係由m轉做cm..
如果係3次方呢?
5m^3
=5*(100^3)
=5000000 cm^3
P.S. (^n)姐係幾多次方
^2 = 2次方
^3=3次方
參考: 自己
2008-02-24 7:06 am
係唔係b?
2008-02-24 7:02 am
1m = 100cm
1m2 = 10 000cm2 (因為= 1m X 1m = 100cm X 100cm )
所以...
5m2 = 5 X 10 000
=50 000 cm2
2008-02-25 02:57:09 補充：
答案是A
1m2 = 10 000cm2 (因為= 1m X 1m = 100cm X 100cm )
所以...
5m2 = 5 X 10 000
=50 000 cm2
2008-02-25 02:57:09 補充：
答案是A
參考: 自己
2008-02-24 7:00 am
5m^2=500cm^2
because 1m=100cm
this law is same to use on square numbers!!
because 1m=100cm
this law is same to use on square numbers!!
參考: me
2008-02-24 6:56 am
5m^2= 5*100cm*100cm = 50000cm^2
收錄日期: 2021-04-23 19:37:58
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