199999+29999+3999+499+59等于几
问题描述:
199999+29999+3999+499+59等于几
答
234560-5
=234555(199999+1)+(29999+1)+(3999+1)+(499+1)+(59+1)-5 =200000+30000+4000+500+60-5 =234560-5 =234555