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1、六年級(jí)解方程200題
X- X= 2X + = 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 3X=
X= X+X= 4X-6=2
X= X = X =
X = 4x-3 9 = 29
2、x + x = 4
X-21=4 6X+5 =13.4 X-X= 4χ-6=38
5X= X= X=
X=12 X= X=
X= X-0.25= =30%
4+0.7X=102 X+X=42 X+X=105
X-X=400 X-0.125X=8 =
3、
X+X=18 X( + )= x-0.375x=
x+=4 X-X=12 5 X-2.45=8
0.365- x = (x- 4.5) = 7 x- 25%x = 10
x- 0.8x = 16+6 20 x– 8.5= 1.5 x- x -4= 21
X+25%X=90 X-X=
(1)χ+2.4χ=6
(2)3.5: χ=5:4.2
(3)1.8χ-χ=2.4
(4)=
(5)63-1.8χ=7.2
(6
4、)17-5χ=2.4+3
(7)=
(8) χ-χ=
(9)12.6-2χ=8
(10)=
(11)-χ=
(12) χ+50%=42
(13)4χ-13=31
(14)4.5+8χ=27
(15)2χ+4.33=14
(16) χ(1-)=1
(17)χ-χ=
(18)34χ=2.5
(19)=
(20)1.6:χ=:
(21)3χ-163=102
(22)x:1=:
(23)4χ+7.1=12.5
(24)χ:0.6=:4
(25):=:χ
(26) 0.3χ-2=9.1
(27)=
(28)x-=
(29) χ: =:
(30): χ
5、=:
(31)3χ+χ=2
(32):=0.3: χ
(33)131-χ=89.2
(34):0.25=80%: χ
(35)4χ+7.1=12.5
(36)-χ=
(37)χ-χ+=
(38):=χ:12
(39) χ-χ=
(40) χ:=12:3
(41)2.4χ-0.452=0.3
42):=χ:0.1
(43)6.3-5χ=4.1
(44)1.25:5=0.75:χ
(45):χ=:6
(46)2.5-χ=0.6
(47) χ-χ=
(48): χ=:
(49)=
(50)χ-χ+1.2=3.4
(51)4:6=15:χ
(52):=χ:
6、
(1)χ+2.4χ=6
(2)3.5: χ=5:4.2
(3)1.8χ-χ=2.4
(4)=
(5)63-1.8χ=7.2
(6)17-5χ=2.4+3
(7)=
(8) χ-χ=
(9)12.6-2χ=8
(10)=
(11)-χ=
(12) χ+50%=42
(13)4χ-13=31
(14)4.5+8χ=27
(15)2χ+4.33=14
(16) χ(1-)=1
(17)χ-χ=
(18)34χ=2.5
(19)=
20)1.6:χ=:
(21)3χ-163=102
(22)x:1=:
(23)4χ+7.1=12.5
(24)χ:
7、0.6=:4
(25):=:χ
(26) 0.3χ-2=9.1
(27)=
(28)x-=
(29) χ: =:
(30): χ=:
(31)3χ+χ=2
(32):=0.3: χ
(33)131-χ=89.2
(34):0.25=80%: χ
(35)4χ+7.1=12.5
(36)-χ=
(37)χ-χ+=
(38):=χ:12
(39) χ-χ=
(40) χ:=12:3
(41)2.4χ-0.452=0.3
(42):=χ:0.1
(43)6.3-5χ=4.1
(44)1.25:5=0.75:χ
(45):χ=:6
(46)2.5-χ=0.6
(47) χ-χ=
(48): χ=:
(49)=
(50)χ-χ+1.2=3.4
(51)4:6=15:χ
(52):=χ: