【6.8-{1.6+X÷0.9}】÷8.4等于0.5
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【6.8-{1.6+X÷0.9}】÷8.4等于0.5
【6.8-{1.6+X÷0.9}】÷8.4等于0.5
【6.8-{1.6+X÷0.9}】÷8.4等于0.5
【6.8-{1.6+x÷0.9}】÷8.4=1/2
6.8-{1.6+10x/9}=4.2
1.6+10x/9=2.6
10x/9=1
x=9/10=0.9
0.9
(6.8-Z)=0.5*8.4=4.2
Z=6.8-4.2=2.6=1.6+X/0.9
X/0.9=1
X=0.9
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
3.5×[6.8-(1.6+x÷0.9)]÷8.4=0.5求x
【6.8-{1.6+X÷0.9}】÷8.4等于0.5
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....
x-1/x÷(x-1/x)
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