问题
填空题
括号里填上质数:30=______+______=______+______.
答案
括号里填上质数:30=(11)+(19)=(17)+(13)=(7)+(23);
故答案为:11,19,13,17,或7,23.
括号里填上质数:30=______+______=______+______.
括号里填上质数:30=(11)+(19)=(17)+(13)=(7)+(23);
故答案为:11,19,13,17,或7,23.