来自杜锦的问题
几道解方程的题help!26.5-5x=16.5-2.5x70.35-8.3=78-10.831.12-5.4=38.5-918+30-6x+2x=413x=990-2x2x-34=(41-3x)x22(8+4x)-3(x-8)=807x-535=(x-3)×63(x-2)-1=15-2_(x+2)12+5(3x-4)=24-2(x-1)32x+5=46×(x-1)+23
几道解方程的题help!
26.5-5x=16.5-2.5x
70.35-8.3=78-10.8
31.12-5.4=38.5-9
18+30-6x+2x=4
13x=990-2x
2x-34=(41-3x)x2
2(8+4x)-3(x-8)=80
7x-535=(x-3)×6
3(x-2)-1=15-2_(x+2)
12+5(3x-4)=24-2(x-1)
32x+5=46×(x-1)+23
1回答
2020-05-17 00:28