![](https://wkrtcs.bdimg.com/rtcs/image?w=3&md5sum=7c5f77a643f078a1fbc9282c95299b57&sign=94b7237689&rtcs_flag=1&rtcs_ver=3&l=webapp&bucketNum=104&ipr={"t":"img","w":"3","h":"15","dataType":"gif","c":"word/media/image1.png"})
÷=
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÷＝
2 ÷=
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÷=
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÷＝
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÷=
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÷＝
÷=
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÷=
÷12 =
14÷=
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÷＝
÷＝
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÷=
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÷15=
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÷＝
![](https://wkrtcs.bdimg.com/rtcs/image?w=5&md5sum=7c5f77a643f078a1fbc9282c95299b57&sign=94b7237689&rtcs_flag=1&rtcs_ver=3&l=webapp&bucketNum=104&ipr={"t":"img","w":"5","h":"15","dataType":"gif","c":"word/media/image17.png"})
÷=
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÷＝
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3÷4=
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÷＝
![](https://wkrtcs.bdimg.com/rtcs/image?w=5&md5sum=7c5f77a643f078a1fbc9282c95299b57&sign=94b7237689&rtcs_flag=1&rtcs_ver=3&l=webapp&bucketNum=104&ipr={"t":"img","w":"5","h":"15","dataType":"gif","c":"word/media/image22.png"})
÷=
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15 ÷＝
![](https://wkrtcs.bdimg.com/rtcs/image?w=5&md5sum=7c5f77a643f078a1fbc9282c95299b57&sign=94b7237689&rtcs_flag=1&rtcs_ver=3&l=webapp&bucketNum=104&ipr={"t":"img","w":"5","h":"15","dataType":"gif","c":"word/media/image26.png"})
÷＝
8 ÷![](https://wkrtcs.bdimg.com/rtcs/image?w=5&md5sum=7c5f77a643f078a1fbc9282c95299b57&sign=94b7237689&rtcs_flag=1&rtcs_ver=3&l=webapp&bucketNum=104&ipr={"t":"img","w":"5","h":"15","dataType":"gif","c":"word/media/image28.png"})
＝
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