3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5求x
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3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5求x3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5求x3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5求x3.5×[6.
3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5求x
3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5
求x
3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5求x
3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5
两边乘以8.4
3.5×[6.8-(1.6+x÷0.9)]=4.2
两年除以3.5
6.8-(1.6+x÷0.9)=1.2
1.6+x÷0.9=6.8-1.2=5.6
x÷0.9=5.6-1.6=4
两边乘以0.9
x=4×0.9
x=3.6
4.16
4.16
x=(6.8-0.5*8.4/3.5-1.6)*0.9
=3.6
3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5求x
x÷3.5=(x-1.6)×1.
解方程,怎么写(1)50-x=8.09 (2)5X-16=40+3x (3)2(X-12)+0.8=6.8 (4)x÷2+3.5=7.5x(5)4.8-4x=1.2+5x(6)12.5x-0.41=8.4x(7)3.2x+2.4=1.8x+3.8(8)4.5(2x+6)÷2=18(9)21.6-3x=x+1.6(10)2(x-12)+0
解方程:6.9x=23.12 6(x+2)=72 6.8x+2.3×=30.02 (9-4.5)x=4.5 6.8x+2.3×3=30.02 x÷(6.3-2.3)=1.16.8x+6.9x=27.4 1.8(x+0.2)=7.2 3x-4×6=48 6x+7x=26 x+3.5×3=18
6.8+12÷x=10.8,14-0.5(x+3)=7.8,3.5x-3x-10=8,7.9-5x=7.8÷210x-20=6x,10+6x=8x,2(x+54)=8x,25-2x=5+2x
60+2x=185 7x+22=43 16+8x=40 4x-54=14 0.5x-1.2×5=3.8 (x+3)÷2=10.5 6x+4×6=72 5x-16.5×3=25 x+4.8x=29 12.5x-0.9x=52.2 6x+9x-12x=2.37 8x-6=70 12x+48=132 4x+8x=14.4 5.8x-1.6x=12.6 3x+2x×12=42 6(2x-6)=12.6....
3.5×[6.8-(1.6+X)÷ 0.9] ÷8.4=0.5这个方程怎么解?
解方程:(x-2.4)÷2=3.6 6.9x=23.12 6(x+2)=72 6.8x+2.3×=30.02 (9-4.5)x=4.5 6.8x+2.3×3=30.02x÷(6.3-2.3)=1.1 6.8x+6.9x=27.4 1.8(x+0.2)=7.2 3x-4×6=48 6x+7x=26 x+3.5×3=18
方程式 x+71=100.2 21.6÷x=4 18.7-x=10.7 50x=15还有:63x+3.5=129.5 21-4x=1 12x+4.5x=9.9 1.3x-0.8x=7.5 5.3x+1.6=44 6x-2.5=27.516÷2x=40 16x÷40=4.8判断:含有未知数的式子叫做方程.()使方程左右两边
0.9x=36 18÷x=12 x+1.45=6 x÷8=4.2 43-x=38 2.5x=600.9x=3618÷x=12x+1.45=6x÷8=4.243-x=382.5x=60x÷4.5=1.26.98-x=6.736.72÷x=6.8解方程
3.5x[6.6-(1.6十x)0.9]÷8.4=0.5
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
【6.8-{1.6+X÷0.9}】÷8.4等于0.5
3.5x[6.8—(1.6+( )÷0.9]=4.2,则( )=?
解方程6x-3.5x=0.9 3(x-1.6)=7.2
[(x+2)/(x²+2x)-(x-1)/(x²-4x+4)]÷(x-4)/x
分式计算 (x+2/x-2+4/x平方-4x+4)÷x/x-2*x-2/x
先化简(x平方-4x+4)/(x平方-2x)÷(x-4/x)