一样多的雷根糖 Equal share of jelly beans
分数课程YouTube
|
讲义下载
|
1. 分数加法-分母不同
Adding Fractions - different denominators https://www.youtube.com/watch?v=RIhwfqULbAE&list=PLE822B3199A298F94&index=4 2. 带分数减法 Subtracting mixed numbers https://www.youtube.com/watch?v=zPOSnD02DQc 3. 分数乘法 Multiplying fractions https://www.youtube.com/watch?v=RbAaKAR5ErM&list=PLE822B3199A298F94&index=6 4. 分数除法 Dividing fractions https://www.youtube.com/watch?v=BWfDKHHZR2A&list=PLE822B3199A298F94&index=8 5. 分数约分 Reducing fractions https://www.youtube.com/watch?v=1dezV0ruH0k&list=PLE822B3199A298F94&index=1 6. 分数转小数 Fraction to decimal (Khan Academy) https://www.youtube.com/watch?v=Y1V5mZaMfTk |
|