一些簡單的問題!!~

...100m =1000cm 50cm=0.5m "禮堂0.5m =5_cm 50 51 52 53 54 55 56 57 58 59"
____1cm 52 53 54 55 cm =1禮堂 = 53cm =135cm=____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________cm

2007-10-04 20:21:06 補充：
m=禮堂1m 1m1'2'3'4'5'6'7'8'9 0,1,2,3,4,5,6,7,8,9

方法有...
1.數數街磚，然後乘一乘

2.用米尺！

3.剪數張一米的紙，然後看看可放多少張。

數 "街磚"
然後乘一乘

~~~測斜法~~~