2.5(x-16)=8
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6x+8*2.5x=3126x+20x=31226x=312x=312÷26x=12不懂可追问,有帮助请采纳,谢谢!
13.2x+9x=33.322.2x=33.3x=1.58x-3x=1055x=105x=215.4x+x=12.86.4x=12.8x=2x-0.36x=160.64x=16x=25
再答:再答:再答:再答:不客气再问:恩再答:都是E家人再问:呵再问:你也喜欢exo啊!再答:对的〜我是灿白党再问:I'm是灿白控再答:嘻嘻嘻再问:呵
13.2x+9x=33.38x-3x=105(13.2+9)x=33.3(8-3)x=10522.2x=33.35x=10522.2x÷22.2=33.3÷22.25x÷5=105÷5x=1.5x=2
19.87517.6
(x²-4x)/(x²-8x+16)=x(x-4)/(x-4)²=x/(x-4)=5/(5-4)=5再答:望您采纳!再问:x/x-4中x互相不能约分吗?再答:不能再问:为
X-1=2/1X+4/1X+8/1X+16/1X+32/1X(1-1/2-1/4-...-1/32)x=11/32x=1x=32
我会再答:留给我再答: 再答:你是初三的?
原式=(x^2-1)(x^2+1)````(x^16+1)=x^32-1
x/6-6x/6=(x-3)/65x/6=(3-X)/65x=3-xX=0.5两边各乘以32X=32两边各乘以XX=-48.125
设x1=4-√3,x2=4+√3,是方程X^2-8X+13=0的两根所以X1^2-8X1+15=2X^4-6X^3-2X^2+18X+23=(X+1)^2*(X^2-8X+13)+10=10所以原式=
[x^2+8x+16]=32[x+4]^2=32x+4=±4√2x=-4±4√2
x-o.8x=6X=3012x-8x=4.8X=1.23x-8=16X=8x-0.7x=3.6X=127.5x-2x这题没有=
13.2x+9x=33.322.2x=33.3x=1.58x-3x=1055x=105x=215.4x+3x=12.88.4x=12.8x=1.5238x-0.36x=160.64x=16x=25再问
15X-2.5=11.515X=11.5+2.515X=14X=14/15;3(x+2)=39X+2=39/3X+2=13X=13-2X=11x-(3/5)x=6/5(5/5-3/5)x=6/5(2/
2.5x-2=02.5x=2x=2÷2.5x=0.86x-2=136x=15x=2.58x-3=38x=6x=3/47x=3x+214x=21x=21/45x-5.4=1.15x=6.5x=1.3x-
再答: 再答: 再答: 再问:错了再答:哪题?再答:哪题错了?
第二个是再答:5x=105
x+17=3(x+13),x+17=3x+39x-3x=39-17-2x=22x=22/-2x=-112x-11.2=0.6x,2x-0.6x=11.21.4x=11.2x=11.2/1.4x=82.
8x-16=2x+148x-2x=14+166x=30x=5