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Vending Machine
1/5
🤫
🔊
Hoo hoo! Let's play!
Pick coins to buy the drink!
🔈
Exchange
🔈
Exchange rule:
1
=
2
Question:
2
=
?
=
=
Select answer
2
3
4
5
=2 
=2 =? =? 
=
======2 =? ==