Question

123×8+123×385加123=多少简便运算

Answer 1

123×8+123×385+123
=123×8+123×385+123x1
=123x(8+385+1)

=123x394
=48462

Answer 2

123×8+123×385+123
=123×（8+385+1）

=123×394
=123×（400-6）
=123×400-123×6
=49200-738
=48462

望采纳，谢谢~