问题 填空题

计算:12345×2345+2469×38275=______.

答案

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.

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