用简便方法计算:(1).(28+5/7)*28/1 (2).36/1*5/2+36/1*5/3 (3).27/8*(54*125)还有一题3.27/8*(54*125)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 14:34:17
![用简便方法计算:(1).(28+5/7)*28/1 (2).36/1*5/2+36/1*5/3 (3).27/8*(54*125)还有一题3.27/8*(54*125)](/uploads/image/z/32520-48-0.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%3A%281%29.%2828%2B5%2F7%29%2A28%2F1+%282%29.36%2F1%2A5%2F2%2B36%2F1%2A5%2F3+%283%29.27%2F8%2A%2854%2A125%29%E8%BF%98%E6%9C%89%E4%B8%80%E9%A2%983.27%2F8%2A%EF%BC%8854%2A125%EF%BC%89)
x){>eu
O6mS_[|t+
CM=
#mS}sM-#}C
#M=c3}C-S}#m(XAXS\BKDTt>rc={:mm%LBg1jZ難p iaa`uD]@Q&\T145/.H̳
用简便方法计算:(1).(28+5/7)*28/1 (2).36/1*5/2+36/1*5/3 (3).27/8*(54*125)还有一题3.27/8*(54*125)
用简便方法计算:(1).(28+5/7)*28/1 (2).36/1*5/2+36/1*5/3 (3).27/8*(54*125)
还有一题3.27/8*(54*125)
用简便方法计算:(1).(28+5/7)*28/1 (2).36/1*5/2+36/1*5/3 (3).27/8*(54*125)还有一题3.27/8*(54*125)
(1).(28+5/7)*28/1
=(196/7+5/7)*28/1
=211/7*28
=211*4
=844
(2).36/1*5/2+36/1*5/3
=36*(5/2+5/3)
=36*25/6
=150