把方程X-1/0.2+x+1/0.5=1.4的分母化成整数,下列变形中正确的序号是①10x-1/2+10x+10+1/5=1.4 ②5(x-1)+2(x+1) ③5(x-1)+2(x+1)=14 ④10x-1/2+10x+1/5=1.4
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 19:21:00
![把方程X-1/0.2+x+1/0.5=1.4的分母化成整数,下列变形中正确的序号是①10x-1/2+10x+10+1/5=1.4 ②5(x-1)+2(x+1) ③5(x-1)+2(x+1)=14 ④10x-1/2+10x+1/5=1.4](/uploads/image/z/990677-29-7.jpg?t=%E6%8A%8A%E6%96%B9%E7%A8%8BX-1%2F0.2%2Bx%2B1%2F0.5%3D1.4%E7%9A%84%E5%88%86%E6%AF%8D%E5%8C%96%E6%88%90%E6%95%B4%E6%95%B0%2C%E4%B8%8B%E5%88%97%E5%8F%98%E5%BD%A2%E4%B8%AD%E6%AD%A3%E7%A1%AE%E7%9A%84%E5%BA%8F%E5%8F%B7%E6%98%AF%E2%91%A010x-1%2F2%2B10x%2B10%2B1%2F5%3D1.4+%E2%91%A15%EF%BC%88x-1%29%2B2%28x%2B1%29+%E2%91%A25%EF%BC%88x-1%29%2B2%28x%2B1%EF%BC%89%3D14+%E2%91%A310x-1%2F2%2B10x%2B1%2F5%3D1.4)
把方程X-1/0.2+x+1/0.5=1.4的分母化成整数,下列变形中正确的序号是①10x-1/2+10x+10+1/5=1.4 ②5(x-1)+2(x+1) ③5(x-1)+2(x+1)=14 ④10x-1/2+10x+1/5=1.4
把方程X-1/0.2+x+1/0.5=1.4的分母化成整数,下列变形中正确的序号是
①10x-1/2+10x+10+1/5=1.4 ②5(x-1)+2(x+1) ③5(x-1)+2(x+1)=14 ④10x-1/2+10x+1/5=1.4
把方程X-1/0.2+x+1/0.5=1.4的分母化成整数,下列变形中正确的序号是①10x-1/2+10x+10+1/5=1.4 ②5(x-1)+2(x+1) ③5(x-1)+2(x+1)=14 ④10x-1/2+10x+1/5=1.4
③5(x-1)+2(x+1)=14
1
③5(x-1)+2(x+1)=14