x-0.25x=3.6
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3.6x-x=3.25(3.6-1)x=3.252.6X=3.25x=1.252(x-3)=5.8x-3=5.8/2x=5.8/2+3x=5.9
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(x-3.6)/4=(x+4.8)/8则2(x-3.6)=x+4.82x-7.2=x+4.8x=12
0.3x-x×0.25=21.15-7x0.3x-0.25x=21.15-7x0.5x=21.15-7x0.5x+7x=21.157.5x=21.15x=21.15÷7.5x=2.82这里涉及到“两边
(0.3+7-0.25)x=21.157.05x=21.15x=21.15/7.05=3
(X+X)+(X-X)+(X*X)+(X/X)=1002X+0+X*X+1=1002X+X*X=99X(X+2)=99X=9再问:请问X(X+2)=99解为什么就等于9了呢没看懂再答:换成算术法你就明
0.3x-x乘以0.25=21.15-7x0.05x+7x=21.157.05x=21.15x=3
3.6x-x=6.52.6x=6.5x=26分之65施主,我看你骨骼清奇,器宇轩昂,且有慧根,乃是万中无一的武林奇才.潜心修习,将来必成大器,鄙人有个小小的考验请点击在下答案旁的"选为满意答案"
x-0.25=0.25x化为x-0.25x=0.25即0.75x.=0.25所以x=0.25/0.75=1/3=0.333333
x-o.8x=6X=3012x-8x=4.8X=1.23x-8=16X=8x-0.7x=3.6X=127.5x-2x这题没有=
方程是啥?如果为:x^0.75-x^0.25=0.75令t=x^0.25,则x^0.75=t^3方程化为:t^3-t=0.75,解得:t=1.26255112740716x=t^4=2.5409486
(x-2.4)+(x-3.6)=xx-2.4+x-3.6=x2x-6=x2x-x=6x=6
0.3x+7x-0.25x=21.257.05x=21.25705x=2125x=425/141
x=2.1
0.3x+7x-0.25x=7.05x7.05x=21.15x=3
合并同类项,得(1+2+6)X=3.6化简单项式,得X=3.6/9解得X=0.4.
#includesintjiesheng(intn)//用于计算阶乘如:3!{if(n=1)rerunn;returnn*hh(n-1)}doubledigui(intn,intx)//用以计算y=x
10x-3.14*x*x*0.25=3.14*x*x*0.7510x=3.14*x*x*0.75+3.14*x*x*0.253.14*x*x*(0.75+0.25)-10x=03.14*x*x-10x
2x等于x+15x等于15
12x-10x=3.62x=3.6x=3.6÷2x=1.8