问题
填空题
计算:667+458+345+542+333=______.
答案
667+458+345+542+333,
=(667+333)+(458+542)+345,
=1000+1000+345,
=2345;
故答案为:2345.
计算:667+458+345+542+333=______.
667+458+345+542+333,
=(667+333)+(458+542)+345,
=1000+1000+345,
=2345;
故答案为:2345.