SESS "数学" 资料中心
Monday, 22 August 2011
数学基本认识
1)长度:
1000 m (meter) = 1 km
100 cm = 1 m (meter)
10 mm = 1cm
2)质量:
1000 g = 1 kg
900g = 0.9 kg
90 g = 0.09 kg
9 g = 0.009 kg
3)液体:
1000 ml = 1 L (liter)
900ml = 0.9 L
90 ml = 0.09 L
9 ml = 0.009 L
4)形状与空间:
5)资料处理:
Wednesday, 3 August 2011
IQ 题
: 测试你们的IQ
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