#include<iostream> using namespace std; void main() { int fenshuRand; int numRand1,numRand2; int fuhaoRand; int count; for(count=0;count<30;count++) { cout<<"\t("<<count+1<<")\t"; fenshuRand=rand()%2+1; if(fenshuRand==1) { numRand1=rand()%100+1; cout<<numRand1; } if(fenshuRand==2) { numRand1=rand()%100+1; numRand2=rand()%100+1; if(numRand1<numRand2) cout<<"("<<numRand1<<"/"<<numRand2<<")"; else cout<<"("<<numRand2<<"/"<<numRand1<<")"; } fuhaoRand=rand()%4+1; if(fuhaoRand==1) cout<<" + "; else if(fuhaoRand==2) cout<<" - "; else if(fuhaoRand==3) cout<<" × "; else cout<<" ÷ "; fenshuRand=rand()%2+1; if(fenshuRand==1) { numRand1=rand()%100+1; cout<<numRand1; } if(fenshuRand==2) { numRand1=rand()%100+1; numRand2=rand()%100+1; if(numRand1<numRand2) cout<<"("<<numRand1<<"/"<<numRand2<<")"; else cout<<"("<<numRand2<<"/"<<numRand1<<")"; } cout<<"="<<endl; } }
第二次作业:可以定制题数,支持真分数
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转载自www.cnblogs.com/moxizi/p/9769707.html
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