25×23+(40+4)简便计算

2025-04-05 05:32:56
推荐回答(1个)
回答1:

25X23X(40+4)
=25X40X23+25X4X23
=1000X23+100X23
=23000+2300
=25300
25X23+(40+4)
=25X20+25X3+44
=500+75+44
=619