After adding liquidity on the uniswap or pancake platform, the formula for obtaining the number of trading pairs through vouchers
Before adding liquidity:
lp quantity = A quantity B quantity and add the liquidity after opening the root sign
: A = ( the total number of lps in the pool taken out ) / the total number of lps in the pool B = (the number of lp taken out * the B in the pool total)/the total number of lp in the pool