500x+3/4/25=60解方程 快!!很急!!!要过程!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
答案:3 悬赏:80
解决时间 2021-12-31 23:01
- 提问者网友:神仙爷爷
- 2021-12-31 14:41
500x+3/4/25=60解方程 快!!很急!!!要过程!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
最佳答案
- 二级知识专家网友:野性且迷人
- 2021-12-31 15:56
500x+(3/4)/25=60
500x+3/4*1/25=60
500x+3/100=60
100*500x+100*3/100=60*100
50000x+3=6000
50000x=5997
x=5997/50000
500x+3/4*1/25=60
500x+3/100=60
100*500x+100*3/100=60*100
50000x+3=6000
50000x=5997
x=5997/50000
全部回答
- 1楼网友:无字情书
- 2021-12-31 16:44
500X=60-3/4/25
500X=6000/100-3/100
500X=5997/100
X=5997/50000
- 2楼网友:茫然不知崩溃
- 2021-12-31 16:22
500/x+x+30x/25=30
500/x+11x/5=30
500+11x^2/5=30x
11x^2-150x+2500=0
△=150*150-4*11*2500<0
∴方程无解
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