分数解方程 谢啦
不要一眼看出答案的。。。
第1个回答 2013-02-19
X－ 2/7X=3/4 2X + 2/5= 3/5 4χ－6＝38
70%X+ 20%X = 3.6 X×3/5=20×1/4 25%+ 10X = 4/5
X- 15%X = 68 X＋3/8X＝121 5X－3×5/21＝5/7
2/3X÷1/4＝12 6X＋5 =13.4 6X＋5 =13.4
x- 0.8x = 16+6 20 x–8.5= 1.5
X＋25%X=90 4x－3 ×9 = 29 X-0.125X=8
x-0.8x = 16+6 20 x– 8.5= 1.5 x-4/5x -4= 21
4x－3 ×9 = 29 4χ－6＝38 X＋25%X=90
X-0.125X=8 5 X－2.4×5＝8 x- 0.8x = 16+6
70%X+ 20%X = 3.6 25% + 10X = 4/5 X -15%X = 68 太不好打了，先算这些吧，如有帮助，请采纳。谢谢本回答被网友采纳
70%X+ 20%X = 3.6 X×3/5=20×1/4 25%+ 10X = 4/5
X- 15%X = 68 X＋3/8X＝121 5X－3×5/21＝5/7
2/3X÷1/4＝12 6X＋5 =13.4 6X＋5 =13.4
x- 0.8x = 16+6 20 x–8.5= 1.5
X＋25%X=90 4x－3 ×9 = 29 X-0.125X=8
x-0.8x = 16+6 20 x– 8.5= 1.5 x-4/5x -4= 21
4x－3 ×9 = 29 4χ－6＝38 X＋25%X=90
X-0.125X=8 5 X－2.4×5＝8 x- 0.8x = 16+6
70%X+ 20%X = 3.6 25% + 10X = 4/5 X -15%X = 68 太不好打了，先算这些吧，如有帮助，请采纳。谢谢本回答被网友采纳
第2个回答 2013-02-26
3X+5X=48 14X-8X=12 6*5+2X=44
20X-50=50 28+6X=88 32-22X=10
24-3X=3 10X*（5+1）=60 99X=100-X
X+3=18 X-6=12 56-2X=20
4y+2=6 x+32=76 3x+6=18
16+8x=40 2x-8=8 4x-3*9=29
8x-3x=105 x-6*5=42 x+5=7
2x+3=10 12x-9x=9 6x+18=48
56x-50x=30 5x=15 78-5x=28
32y-29=3 5x+5=15 89x-9=80
100-20x=20 55x-25x=60 76y-75=1
23y-23=23 4x-20=0 80y+20=100
53x-90=16 2x+9x=11 12y-12=24
80+5x=100 7x-8=6 65x+35=100
19y+y=40 25-5x=15 79y+y=80
42x+28x=140 3x-1=8 90y-90=90
80y-90=70 78y+2y=160 88-x=80
9-4x=1 20x=40 65y-30=100
51y-y=100 85y+1=-86 45x-50=40
20X-50=50 28+6X=88 32-22X=10
24-3X=3 10X*（5+1）=60 99X=100-X
X+3=18 X-6=12 56-2X=20
4y+2=6 x+32=76 3x+6=18
16+8x=40 2x-8=8 4x-3*9=29
8x-3x=105 x-6*5=42 x+5=7
2x+3=10 12x-9x=9 6x+18=48
56x-50x=30 5x=15 78-5x=28
32y-29=3 5x+5=15 89x-9=80
100-20x=20 55x-25x=60 76y-75=1
23y-23=23 4x-20=0 80y+20=100
53x-90=16 2x+9x=11 12y-12=24
80+5x=100 7x-8=6 65x+35=100
19y+y=40 25-5x=15 79y+y=80
42x+28x=140 3x-1=8 90y-90=90
80y-90=70 78y+2y=160 88-x=80
9-4x=1 20x=40 65y-30=100
51y-y=100 85y+1=-86 45x-50=40
第3个回答 2020-03-30
2/3X÷1/4＝12 6X＋5 =13.4 6X＋5 =13.4
x- 0.8x = 16+6 20 x–8.5= 1.5
X＋25%X=90 4x－3 ×9 = 29 X-0.125X=8
x-0.8x = 16+6 20 x– 8.5= 1.5 x-4/5x -4= 21
4x－3 ×9 = 29 4χ－6＝38 X＋25%X=90
X-0.125X=8 5 X－2.4×5＝8
x- 0.8x = 16+6 20 x–8.5= 1.5
X＋25%X=90 4x－3 ×9 = 29 X-0.125X=8
x-0.8x = 16+6 20 x– 8.5= 1.5 x-4/5x -4= 21
4x－3 ×9 = 29 4χ－6＝38 X＋25%X=90
X-0.125X=8 5 X－2.4×5＝8
