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Angelina_Jolie [31]
3 years ago
15

Use mental math to find the sum 52+19

Mathematics
2 answers:
stich3 [128]3 years ago
5 0
I knew that 9 plus 2 equals 11 so I add 5+1+1 which equals 7. Then I add the one which equals 71
KiRa [710]3 years ago
4 0
Mental math
52+9=61 there ya go I hope your happy 
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