第一单元：分数乘法
第二单元：位置与方向第三单元：分数除法
第四单元：比第五单元：圆
第六单元:百分数
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![](https://wkrtcs.bdimg.com/rtcs/image?w=605.00&md5sum=cd9d943c10bd157d0d9c7ee216239241&sign=df6eeef799&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=297&ipr={"t":"img","r":"r_4","w":"605.00","h":"422.00","dataType":"png","c":"word/media/image1_1.png","imgOriW":1584,"imgOriH":1188})
![](https://wkrtcs.bdimg.com/rtcs/image?w=647.00&md5sum=cd9d943c10bd157d0d9c7ee216239241&sign=df6eeef799&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=297&ipr={"t":"img","r":"r_4","w":"647.00","h":"449.00","dataType":"png","c":"word/media/image2_1.png","imgOriW":1584,"imgOriH":1188})
第三单元：分数除法![](https://wkrtcs.bdimg.com/rtcs/image?w=599.00&md5sum=cd9d943c10bd157d0d9c7ee216239241&sign=df6eeef799&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=297&ipr={"t":"img","r":"r_4","w":"599.00","h":"441.00","dataType":"png","c":"word/media/image3_1.png","imgOriW":1584,"imgOriH":1188})
第四单元：比第五单元：圆![](https://wkrtcs.bdimg.com/rtcs/image?w=617.00&md5sum=cd9d943c10bd157d0d9c7ee216239241&sign=df6eeef799&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=297&ipr={"t":"img","r":"r_4","w":"617.00","h":"427.00","dataType":"png","c":"word/media/image5_1.png","imgOriW":1584,"imgOriH":1188})
第六单元:百分数
