[175一(49+62)]x23怎么简便计算

2025-04-16 06:35:35
推荐回答(1个)
回答1:

解: [175一(49+62)]x23

=[175-111]x23

=64x23

=64x(20 +3)

=64x20+64x3

=1280+192

=1472