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[]+[]+[]=30

Only use (1,3,5,7,9,11,13,15.)

Don't use - only use +,÷ or ×

Solve only three step.

2
by desiboys

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Only use (1,3,5,7,9,11,13,15.)

Don't use - only use +,÷ or ×

Solve only three step.

by desiboys

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Kk so here we use multiply

7*3+9=30

21+9=30

so,therefore we proved :)

7*3+9=30

21+9=30

so,therefore we proved :)