Question

46×123加123×32用简便运算方法计算

46×123加123×32用简便运算方法计算

Answer 1

46×123加123×32用简便运算方法计算

=（46+32）x123
=78x123
=（80-2）x（125-2）
=80x125-80x2-2x125+4
=10000-（160-250）+4
=10000-406
=10000-400-6
=9594

Answer 2

46×123+123×32
=123×（46+32）
=123×78
=9594
望采纳