3又4/5×7/20×3又9/10÷2.6÷0.28÷7.6 简便计算!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 20:04:53
![3又4/5×7/20×3又9/10÷2.6÷0.28÷7.6 简便计算!](/uploads/image/z/15233331-3-1.jpg?t=3%E5%8F%884%2F5%C3%977%2F20%C3%973%E5%8F%889%2F10%C3%B72.6%C3%B70.28%C3%B77.6+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%21)
3又4/5×7/20×3又9/10÷2.6÷0.28÷7.6 简便计算!
3又4/5×7/20×3又9/10÷2.6÷0.28÷7.6 简便计算!
3又4/5×7/20×3又9/10÷2.6÷0.28÷7.6 简便计算!
3又4/5×7/20×3又9/10÷2.6÷0.28÷7.6
=3.8*0.35*3.9÷2.6÷0.28÷7.6
=(3.8/7.6)*(0.35/0.28)*(3.9/2.6)
=1/2*5/4*3/2
=15/16