125*(8+40)*25的简便算法怎样计算?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 14:46:12
![125*(8+40)*25的简便算法怎样计算?](/uploads/image/z/65509-61-9.jpg?t=125%2A%288%2B40%29%2A25%E7%9A%84%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E6%80%8E%E6%A0%B7%E8%AE%A1%E7%AE%97%3F)
125*(8+40)*25的简便算法怎样计算?
125*(8+40)*25的简便算法怎样计算?
125*(8+40)*25的简便算法怎样计算?
125*(8+40)*25
=125*8*(1+5)*25
=1000*6*25
=1000*3*50
=150000
125*(8+40)*25
=125*8*25+125*40*25
=25000+125000
=150000
=125*8*25+125*40*25
=(125*8)*25+125*(40*25)
=1000*25+125*1000
=1000*(25+125)
=1000*150
=150000
125*(8+40)*25
=125x8x25+125x40x25
=1000x25+125x100
=25000+12500
=37500
125*(8+40)*25
=(125x8+125x40)x25
=(1000+500)x25
=1000x25+500x25
=25000+12500
=37500