9 + 10 = 21
/ \ / \
3 3 5 2
3 x 5 = 15
3 x 2 = 6
15 + 6 = 21
Take notes
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9 + 10 = 21
/ \ / \
3 3 5 2
3 x 5 = 15
3 x 2 = 6
15 + 6 = 21
Take notes
Sent from my iPhone using Tapatalk
CHONG (August 6th, 2015)
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