90%x 90%x 90%x 90%x 90%等于多少

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90%x 90%x 90%x 90%x 90%等于多少
90%x 90%x 90%x 90%x 90%等于多少

90%x 90%x 90%x 90%x 90%等于多少
0.59049

90%x 90%x 90%x 90%x 90%
=0.9*0.9*0.9*0.9*0.9
=0.59049

x*x-x=90怎么解 90-x=2x(18+x) x+2x+（x+10）=90,x=? 80X-90X=6x+80X 解是几 86x+90*(56-x) 90-x=50+x x-70%x=90 30x+90＝x x-25%x=90 X(X-1)=90 X/(X+40)=90% X/(X+40)=90% 解方程：x(3x-4)+2x(x+7)=5x(x-7)+90 若x(3x-4)+2x(x+7)=5x(x-7)+90,则x= 90/(x-90)=(2x-50)/(x+50) 90/(x/10)*x/6+90=x怎么解 75X等于90X-90 求X. 解方程6x+3x=90+4x