printf(" 加、减、乘、除和求余数运算练习程序 n") printf(" n"), printf(" +(Addition) +/a n"); printf" (Subtraction) -/s n")方 printf" * (Multiplication) */m n")方 printf" / (Division) //d n")方 printf(" %(Remainder) %/r n")方 printf(" Exit e n")方 printf" n"方 printf"Please choose one option:") scanf("%lc",&options); getch(); 2024/10/28 352024/10/28 35 printf(" 加、减、乘、除和求余数运算练习程序 \n"); printf("———————————————————\n"); printf(" + (Addition) —— + / a \n"); printf(" - (Subtraction) —— - / s \n"); printf(" * (Multiplication) —— * / m \n"); printf(" / (Division) —— / / d \n"); printf(" % (Remainder) —— % / r \n"); printf(" E x i t —— e \n"); printf("———————————————————\n"); printf(" Please choose one option: "); scanf("%1c" , &options); getch(); }