53*99*25怎么简便计算?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 02:18:51
![53*99*25怎么简便计算?](/uploads/image/z/69666-42-6.jpg?t=53%2A99%2A25%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3F)
53*99*25怎么简便计算?
53*99*25怎么简便计算?
53*99*25怎么简便计算?
53*99*25
=5300/4*(100-1)
=530000/4-5300/4
=535300/4
=133825
[50+3]*99*25
=[25*2+3]*99*25
=25*【99+2】+3
=25*101+3
=275+3 自己接着算
53*99*25=53*(100-1)×25×4÷4=(5300-53)×100÷4
=(530000-5300)÷4=524700÷4=131175