1-3/2*4=8-3/2*4=5/2*41-3/3*5=15-3/3*5=12/3*51-9/4*6=24-3/4*6=21/4*6关键是要规律.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 06:08:29
![1-3/2*4=8-3/2*4=5/2*41-3/3*5=15-3/3*5=12/3*51-9/4*6=24-3/4*6=21/4*6关键是要规律.](/uploads/image/z/169164-36-4.jpg?t=1-3%2F2%2A4%3D8-3%2F2%2A4%3D5%2F2%2A41-3%2F3%2A5%3D15-3%2F3%2A5%3D12%2F3%2A51-9%2F4%2A6%3D24-3%2F4%2A6%3D21%2F4%2A6%E5%85%B3%E9%94%AE%E6%98%AF%E8%A6%81%E8%A7%84%E5%BE%8B.)
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1-3/2*4=8-3/2*4=5/2*41-3/3*5=15-3/3*5=12/3*51-9/4*6=24-3/4*6=21/4*6关键是要规律.
1-3/2*4=8-3/2*4=5/2*4
1-3/3*5=15-3/3*5=12/3*5
1-9/4*6=24-3/4*6=21/4*6
关键是要规律.
1-3/2*4=8-3/2*4=5/2*41-3/3*5=15-3/3*5=12/3*51-9/4*6=24-3/4*6=21/4*6关键是要规律.
规律:1-3/x*(x+2)=[x*(x+2)-3]/[x*(x+2)] x≥2
1-3/x*(x+2)=[x*(x+2)-3]/[x*(x+2)] x≥2