区块链基础入门-简单运算

pragma solidity ^0.4.0; contract math{ //int,uint uint numa = 100;//不限正负 uint numb = 200;//限制正负 function add(uint a ,uint b)pure public returns(uint){ return a+b; }//加减乘除与此类似 function cifang(uint a ,uint b)pure public returns(uint){ return a**b; } }