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六道解方程和简便运算

解方程: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

8*4+52*4+15*8=1125-997=4.8*1.01=99*998+998=563*999=4x+13=312x+4.3*3=73x-16*3=1024x+7.1=12.56.3-5x=4.18:1024=3:81=36:666=

:简便运算1.4x0.27x252.560÷16÷53.3.8x99+3.84.(8+4/9)÷45.2/5+3/7+3/5+4/76.7/16x9-7/16x77.0.4x(12x2.5)8.(3.8-1.8÷2)x0.59.1/4x4÷1/4x410.8/13÷7+1/7x5/13解方程:1.30x=152.50%x-30=523.16+4x=404.x+0.5x

X- 27 X=3/4 2X + 25 = 35 70%X + 20%X = 3.6 X* =20* 25% + 10X = X - 15%X = 68 X+ X=121 5X-3* = X÷ =12 6X+5 =13.4

9-2x=1 4+5x=9 10-x=8 8x+9=17 9+6x=14 x+9x=4+7 2x+9=17 8-4x=6 6x-7=12 7x-9=8 x-56=1 8-7x=1 x-30=12 6x-21=21 6x-3=6 9x=18 4x-18=13 5x+9=11 6-2x=11 x+4+8=23 7x-12=8 X-5.7=2.15 15 5X-2X=18 3X 0.7=5 3.5*2= 4.2 x 26*1.5= 2x 0.5*

一、解方程: X - 15%X = 683.5X+1.8=12.3 3.6X÷2=2.160.8X-4=1.6 5X÷2=10X-0.25X=34+0.7X=102X-0.125X=8x-0.375x=3/4 5 X-2.4*5=8 15X÷2=60 4X+X=3.153.4X+1.8=8.6 5X-X=2.41.5X-X=16.6X-6X=1.8x - 0.8x = 16+6 X+25%X=90 12x=

32*125*25 =4*8*125*25 =(4*25)*(8*125) =100*1000 =100000 9048÷26=(2600+2600+2600+1248)÷26=2600÷26+2600÷26+2600÷26+1248÷26 =100+100+100+48=3482881÷ 43 =(1290+1591)÷ 43 =1290÷43+1591÷43 =30+37 =67 3.2*42.3*3.

0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 25000+x=6x 3200=450+5X+X X-0.8X=6 12x-8x=4.8 7.5*2X=15 1.2x=81.6 x+5.6=9.4 52-x =15 91÷x =1.3 X+8.3=10.7 15x =3 3x-8=16 7(x-2)=2x+3 3x+9=2718(x-2)=270 12x=300-4x 7x+5.3=7.4 3x÷5=4.8 30÷x+25=85

1. 3/7 * 49/9 - 4/3 2. 8/9 * 15/36 + 1/27 3. 12* 5/6 2/9 *3 4. 8* 5/4 + 1/4 5. 6÷ 3/8 3/8 ÷6 6. 4/7 * 5/9 + 3/7 * 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 * 5/6 + 5/6 10. 3/4 * 8/9 - 1/3 11. 7 * 5/49 + 3/14 12. 6 *( 1/2 + 2/3 ) 13. 8 * 4/5 + 8 * 11/5

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