{x-1.6}x2=1.8+1.2怎么算?写出过冲

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{x-1.6}x2=1.8+1.2怎么算?写出过冲{x-1.6}x2=1.8+1.2怎么算?写出过冲{x-1.6}x2=1.8+1.2怎么算?写出过冲2x-3.2=32x=6.2x=3.1

{x-1.6}x2=1.8+1.2怎么算?写出过冲
{x-1.6}x2=1.8+1.2
怎么算?写出过冲

{x-1.6}x2=1.8+1.2怎么算?写出过冲
2x-3.2=3
2x=6.2
x=3.1