9.75*0.84怎么简便计算?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/08 19:47:45
![9.75*0.84怎么简便计算?](/uploads/image/z/244083-3-3.jpg?t=9.75%2A0.84%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3F)
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9.75*0.84怎么简便计算?
9.75*0.84怎么简便计算?
9.75*0.84怎么简便计算?
9.75*0.84
=(10-0.25)*0.84
=(10-1/4)*0.84
=8.40-0.21
=8.19
9.75*0.84
=(10-0.25)*0.84
=10*0.84-0.25*4*0.21
=8.4-1*0.21
=8.4-0.21
=8.19
9.75*0.84
=(10-0.25)*0.84
=10*0.84-(1/4)*0.84
=8.4-0.21
=8.19