计算:11+192+1993+19994+199995所得和数的数字之和是多少?
问题描述:
计算:11+192+1993+19994+199995所得和数的数字之和是多少?
答
11+192+1993+19994+199995
=20-9+200-8+2000-7+20000-6+200000-5
=222220-35
=222185;
2+2+2+1+8+5=20.
答:所得和数的数字之和是20.