Question

小学四年级奥数：计算　　12345×2345＋2469×38275=

回答详细

Answer 1

12345乘2345+2469乘38275
=12345乘2345+2469乘5乘38275乘1/5
=12345乘2345+12345乘7655
提取12345，原式=12345（2345+7655）
=12345乘10000
=123450000.。

Answer 2

你好！
12345×2345＋2469×38275=12345000

祝进步！

Answer 3

=12345*2345+2469*(5*7655)
=12345*2345+12345*7655
=12345*(2345+7655)
=12345*10000
=123450000

Answer 4

12345x2345+2469x38275=12345*2345+2469x(5x7655)
=12345*2345+(2469x5)x7655
=12345*2345+12345x7655
=12345*(2345+7655)
=12345*10000
=123450000

Answer 5

12345×2345+2469×38275=12345×2345+(2469×5)×7655=12345×2345+12345×7655=12345×(2345+7655)=12345×10000=123450000