2.1x-10.8=1.8, (x-0.4)÷0.5=2.4 ,0.9(x+0.4)=0.2.1x-10.8=1.8, (x-0.4)÷0.5=2.4 ,0.9(x+0.4)=0.45的方程,快速,必采纳哦!

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2.1x-10.8=1.8, (x-0.4)÷0.5=2.4 ,0.9(x+0.4)=0.2.1x-10.8=1.8, (x-0.4)÷0.5=2.4 ,0.9(x+0.4)=0.45的方程,快速,必采纳哦!
2.1x-10.8=1.8, (x-0.4)÷0.5=2.4 ,0.9(x+0.4)=0.
2.1x-10.8=1.8, (x-0.4)÷0.5=2.4 ,0.9(x+0.4)=0.45的方程,快速,必采纳哦!

2.1x-10.8=1.8, (x-0.4)÷0.5=2.4 ,0.9(x+0.4)=0.2.1x-10.8=1.8, (x-0.4)÷0.5=2.4 ,0.9(x+0.4)=0.45的方程,快速,必采纳哦!