【實用解謎app】Let's Addition "Nine Numbers3"|最夯免費app

1st "Multiplication", 2nd "Division",

Next the 3rd brain training

calculation series is "Addition"!

Question . [15] = [?] + [?] + [?]

(Answering... 7+6+3=15)

(Answering... 2+4+9=15) etc,etc,

This is "Reverse Addition"

Let's Study! TimeAttack "Addition"!!

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