几道简单的方程和算式 【1】85.5÷[1-10%]= 10÷[1-80%]= 30÷150= 20×10百分之+30%x=[20+x]×22% 5%x+20%×[600-x] 1000×15%+100×2x+400x=[1000+100+400]×14%
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/17 11:22:16
![几道简单的方程和算式 【1】85.5÷[1-10%]= 10÷[1-80%]= 30÷150= 20×10百分之+30%x=[20+x]×22% 5%x+20%×[600-x] 1000×15%+100×2x+400x=[1000+100+400]×14%](/uploads/image/z/1085543-71-3.jpg?t=%E5%87%A0%E9%81%93%E7%AE%80%E5%8D%95%E7%9A%84%E6%96%B9%E7%A8%8B%E5%92%8C%E7%AE%97%E5%BC%8F+%E3%80%901%E3%80%9185.5%C3%B7%5B1-10%EF%BC%85%5D%3D+10%C3%B7%5B1-80%EF%BC%85%5D%3D+30%C3%B7150%3D+20%C3%9710%E7%99%BE%E5%88%86%E4%B9%8B%2B30%EF%BC%85x%3D%5B20%EF%BC%8Bx%5D%C3%9722%EF%BC%85+5%EF%BC%85x%EF%BC%8B20%EF%BC%85%C3%97%5B600-x%5D+1000%C3%9715%EF%BC%85%2B100%C3%972x%2B400x%3D%5B1000%EF%BC%8B100%2B400%5D%C3%9714%EF%BC%85)
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