+0  
 
+1
40
1
avatar

math 

 

https://prnt.sc/m9qvvs

 Jan 20, 2019
 #1
avatar+3855 
+1

Handy: 75+45(6)=345

Fixit: 135+50(6)=300+135=435.

435-345=90.

 Jan 20, 2019

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