locomoto locomoto

10-04-2018
Mathematics

contestada

plz help plz thanks so much this is for my sister plz help

plz help plz thanks so much this is for my sister plz help class=

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Imhers159 Imhers159

10-04-2018

6 + 21 = 27 (Add six ones)
60 + 21 = 81 (Add six tens)

I hope this helps:)
I'm sorry if it doesn't:(

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helpmepls10 helpmepls10

10-04-2018

1. 1+1+1+1+1+1+21
2.10+10+10+10+10+10+21
good luck

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