pragma solidity ^0.4.18;contract test{ function mul(uint a) public pure returns (uint) { uint c = a * 7; return c; }}
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pragma solidity ^0.4.18;contract test{ function mul(uint a) public pure returns (uint) { uint c = a * 7; return c; }}
转载于:https://www.cnblogs.com/ahuo/p/8182927.html