计算:12345×2345+2469×38275=_.

问题描述:

计算:12345×2345+2469×38275=______.

12345×2345+2469×38275=(12340+5)×2345+(2468+1)×38275=1234×23450+11725+2×1234×38275+38275=1234×(23450+76550)+50000=123400000+50000=123450000;故答案为123450000.