六级解比例及解方程练习题1

1、人教版六年级解方程及解比例练习题解比例:x:10=-:-0.4:x=1.2:212 =34 32.4 x1 ： 1 =1 ：x0.8:4=x:8dx=3:1225441.25:0.25=x:1.62 一836 =549xx 3224x:=6:4.5 645:x=18:26325x2.22.8:4.2=x:9.6丄1 :x=-:-1084x:24= 3： 18:x=4 : 34 35 45 11=x:8 6120. 6 : 4= 2.4 : x,12) = ,x)16 : x =-510 : 50= x : 401.3 : x = 5.2 : 20x : 3.6 = 6 : 18111683 :

2、20 =?:x，°2)= x3 x8= 641142511:一:xx : - 一 0 712 '5 =36142解方程2323X - X=32X +=74555425% + 10X =X - 15%X = 68X+ 3X= 12185X3X 5 = 5-X- 1 = 12217346X+ 5 =13.43X=3X亠2 _ 787164X 6X Z=2312325728 x =丄x兰9 651X + _6 =26 x3545251-x2+ lx = 432-X 21 x -=41036X+ 5 =13.422 X-133 X=1o4 x 6 = 382 1-X-丄=1234?X

3、=5725X=d19X421154 =155288X=1 x 16X= x 96516 _26 亠 13 . 354525X-0.25二1X+丄 X=105X433 X=4008X-0.125X=836 =3X 4X+ 3X=183138 )= 125x 0.375x=6x213x 2 + =4X 3X-X= 1232875 X x 5= 8x 5-33 (x- 4.5) = 72 x- 25%x = 10xx = 16+620 x4x- x -4= 215+ 25%X=90X 2 X=3742X +70%X + 20%X = 3.6XX 3=20x 丄5425% + 10X =X - 15%

4、X = 68X+ 3X= 12185X3X =216X+ 53X=二 2= 7. 716X+ 8X兮4X6X 2=231235 + X=13 7258、，1 、/1662613X =X =XX=X57296513545254x 3X 9 = 29!x +21x=4-X 21 X 2=41036X+ 5 =13.422 X-133 X=10X 6= 385X=dX4X.4_151921155 28-X-丄123x-258X1 X 16345729651X-旦_26亠 .13X-0.25丄-30%354525442 114+0.7X=1022X+丄 X=42X+ -X=1053 243X- X 3

5、X= 127X=400X-0.125X=88X+7 X=183138 )= 1250.375x=-6xx - + !=4x -3285 X x 5 = 8X+ 25%X=90xx =16+620 x4x- x -4= 215X232X + -=X55丄 25% + 10X = 4X - 15%X4555X3X 2_ 53X=2173823-X=-X-X二二7974x 3=20x568X+ -X_ 12183亠2_ 7X8716X+ 7X=38424X 6 x - =212_3_5 + X=1025728 x = 1 x 兰9 651仝芒X3545254x 3X 9 = 29!x +21x6-X

6、 21X10亠43202(x2.6)6X+ 5 =13.42 15 X-3 X=10X 6 = 385X=d192115二 4 _15 5282 1-X-丄=12343X=255728x=1 x 少965135451325X-0.25二-=30%44+0.7X=1022 12X+iX=4232X+X- 3X=4008X-0.125X=836 =3X 41X=1054X+7 X=183138 )= 12-0.375x=-6xx 2+l=4x 3328X-X= 125 X-x 5= 8x 5-23 (x- 4.5) = 7x-25%x = 10xx = 16+620 xx-4 x -4= 21计算下面各题，能简算的要简算5X 7/ 21、84 、/ 27 、20 +1)X 59 切X 276 X( 18X )1 一 6X5- 9+5- 9X5- 62 一 3-7z/lX1一 63 一 8-3 一 86X6XZI22- 5X6- 13-7- 5X6133- 4X+3- 4X2- 9321 x 20337x 35_625x 24(5 + 7 )x 252_ 5X3 一 4+丄2X3 一 45-7X4 - 9-5-