(X+0.8)÷6=7.2 解:

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(X+0.8)÷6=7.2解:(X+0.8)÷6=7.2解:(X+0.8)÷6=7.2解:7.2×6=43.243.2-0.8=42.4

(X+0.8)÷6=7.2 解:
(X+0.8)÷6=7.2 解:

(X+0.8)÷6=7.2 解:
7.2×6=43.2 43.2-0.8=42.4

解方程:2.1÷x=0.3 ,7.2-x=4.3,x-0.84x=0.8,30×(x÷4)=60 ,84+x=10.2 解方程:2.1÷x=0.3 ,7.2-x=4.3,x-0.84x=0.8,30×(x÷4)=60 ,84+x=10.2 解方程 4x-5×6=12 8x-3x=15.630×(x÷4)=60 7.2×0.5-3x=1.2 1.5x+x=12.5 5x+21×3=2x 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 解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3) 8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2 解方程:x÷(x-2)-(1-x²)÷(x²-5x+6)=2x÷(x-3)... 6×0.2+x÷2=11.4| 4(3x+0.3)=3.2×3| 2÷x-6+8.8=10.8| 8÷(9x-60-2x)=0.8| 6x-3.2=4x| 解方程 (X+0.8)÷6=7.2 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 2x-56=16 2x+1.5x2=6 4(x+0.8)=7.2 (5x-12)÷3=10 2x+2x-56=162x+1.5x2=64(x+0.8)=7.2(5x-12)÷3=102x+7=33的方程检验 计算:1.y/4x²-1/12y²+1/6xy 2.3/x-6/1-x-x+5/x²-x3.x/x-y×y²/x+y-x四次方y/x四次方-y四次方÷x²/x²+y²解方程:1.x-1/(x-2)+1=1/2-x2.x+1/x-1-4/x²-1=13.1/x+3-2/3-x=1/x²-9 解方程:8x -4.5÷0.2=16 3(x+30)=6x+30 3-(5-2x)=x+273x-(67-84x)-14=76 15-(7-5X)=2X(11-3X) X+(X+10)+(x+8)=36×3 11×(4-x)+15×(4-X)=30 数学解方程[(x+1)(x-1)-(x-1)(x平方+x+1)]÷x平方=三分之一x+6 解方程:0.5x+7.2-0.8x=6 50+x-62,1.8x=7.2,2.1÷x=7,x÷7=0.3,x-4.5=6,15-x=8解此方程, x/(x-2)-(1-x ² )/(x ² -5x+6)=(2-x)/(x-3) 解方程,急 解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8