3.14乘1又3/8+0.314乘6又1/4-31.4乘0.2 简便计算!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 13:07:40
![3.14乘1又3/8+0.314乘6又1/4-31.4乘0.2 简便计算!](/uploads/image/z/50658-42-8.jpg?t=3.14%E4%B9%981%E5%8F%883%2F8%2B0.314%E4%B9%986%E5%8F%881%2F4-31.4%E4%B9%980.2+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%21)
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3.14乘1又3/8+0.314乘6又1/4-31.4乘0.2 简便计算!
3.14乘1又3/8+0.314乘6又1/4-31.4乘0.2 简便计算!
3.14乘1又3/8+0.314乘6又1/4-31.4乘0.2 简便计算!
3.14乘1又3/8+0.314乘6又1/4-31.4乘0.2
=3.14×1又3/8+3.14×0.625-3.14×2
=3.14×(1.375+0.625-2)
=3.14×0
=0
原式=3.14乘(1又3/8+0.625-2)=1.34乘以0=0
3.14×八分之十一+3.14×八分之五+3.14×2=3.14×(八分之十一+八分之五—2)=3.14×0=0