已解决 傅文彬 新手天翼 C++ a+b: #include<bits/stdc++.h> using namespace std; int main(){ long long a,b; cin>>a>>b; cout<<a+b; } C a+b ...... Pascal a+b ...... Python3 a+b ...... 请打大解答C Pascal and Python3的a+b大码,谢谢!