From now on learn mathematics with the puzzle, you can learn something about it here
so let's go
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given that
Mango + mango + mango = 30
Mango + banana + banana = 18
Banana-2 litchi = 2
Litchi + mango + banana = ???
The answers to this question may be known to many, and you also give the right answer to your correct answer
i hope give me your correct answer