问题
填空题
199999+19999+1999+199+19=______.
答案
199999+19999+1999+199+19,
=200000-1+20000-1+2000-1+200-1+20-1,
=222220-5,
=222215;
故答案为:222215.
199999+19999+1999+199+19=______.
199999+19999+1999+199+19,
=200000-1+20000-1+2000-1+200-1+20-1,
=222220-5,
=222215;
故答案为:222215.