六年级奥数解方程练习题
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六年级奥数解方程练习题
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26、有两堆水果,一堆苹果一堆梨。如果用1个苹果换1个梨,那么还多2个苹果,如果用1个梨换2个苹果,那么还多1个梨,想想看,原来有个苹果,个梨。
六年级解方程练习题
2233
X- X=X + = 0%X +0%X =.6
7554X×=20× 5% + 10X =X - 15%X =8
3
145
4
X+38
X=121X6X+=13.X÷2
=
77112÷X=310X÷
635=2645
×13210X-21×2
3
=6X+=13.45X=
15193X÷14=1X÷
635=26
45
÷1325
5
-3×
521
=5734X?134?83X=X+78X=3X =5724x-×=9x?
1
4
x?20 X-13
X=10
21
X=415XX=257 X-0.25=1 1
23X÷1
4=128
4X-6×23
=2X = 16×1651 12x + 1
6x =
2?8
4χ-6=38
÷4155=29X=1166×51
X4=30%
4+0.7X=102
38
211
X+X=4 X+X=10524
336
=
4X
X-X=400X-0.125X=8
313135
X+ X=1 X× )=x-0.375x= x×2+1=4×3320.36×5-3x =x- 0.8x = 16+0 xX+25%X=900.8X-4=1.65XX+25X=21 X-25
=
3102X7
10
X=142180+6X=330.2X15X÷2=60X
68126X-37
X=1 X-2.4×5=231
x-5%x = 10
–.5= 1. x-
x -4=1
X-3X=
93.5X+1.8=12. ÷2=10 X-0.25X=3
4X+2X=15
5
2
3.6X÷2=2.1+7X=9
10
38+X=25
1352X=X=10
-1=10 X-0.8X=10 +X=3.1.4X+1.8=8.6
2
162.5%-x=15/1 x+70%x=3402x/3+75%x=1/60%X +0%X =.X - 15%X =840%x+21=32x+20%x=3.0.5+50%x=0%x+25=404-120%x=1 x –5%x =060 x +0 ×5% x =x –0%x = 10x +0%x =60 x +0%x =25%x +5%x =35%x -5%x = 1x +0x -0%x = 140x +0%x =840%X+25%X=130 x+20%x=x+70%x=3 x-15%x=10. x+50%x=30x-40%x=122/3x-45%x=2.x-40%x=3.65%x-16=240% x+90=11
x-20%x=214%x-9.1=0.735%x+x=13.x-75%x=0.x-45%x=11075 %x-50=22
60%+4x=27. 1.8χ-χ=2.417-5χ=2.4+315%x =%x - x =0x -5%x = X=4555
χ+2.4χ=12.6×6
-2χ=8
3×1-χ=15
2
5
6×3-1.8χ=7.2
23
χ-1χ+1.2=3. χ-1χ=32
4
8
3
六年级化简比
100:16.5:96.25.5:12.4:2/3
29.6:100/12023.6:1506:9 1.1:11
3.6:1..8:1/.9:0. 14:28.26
41.23:41215:0.122:54312:111
10:120123:5:142:54
0.15:210:240.5:0.20.15:21