Processing math: 100%
 
+0  
 
0
902
1
avatar+72 

-1 7/8 ÷ 3/4

 Sep 26, 2018
 #1
avatar+6252 
+1

ab÷cd=ab×dc

 

1 78=158158÷34=158×43=6024=52

.
 Sep 26, 2018

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