Simple rhymes offer hints on how to multiply any number by zero through ten without memorizing the multiplication tables, encouraging kids to solve problems creatively to build both their skills and their confidence.
快樂學習 : 三方形
快樂學習 : 正方形
跳出思路的陷阱
Math practice puzz ...
嗚,地址不見了 : 位值的秘密
嗄,下課變上課 : 運算的秘密
哈!宇宙無敵湯 : 乘法的秘密
scott foresman-add ...
邏輯,你好![班級用書G5-28]
讓你喜歡數學的方法
The Grapes Of Math ...
Amazing math proje ...
Verbal Fractions ...
Verbal percents : ...
The grapes of math ...
電腦魔法書icon-magic
電腦辭典Computer
網路辭典Internet
Computer age.
電腦test
非常好色