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解方程六年级下册

X-5.7=2.15 ,15 5X-2X=18, 3X+0.7=5 ,3200=450+5X+X ,X-0.8X=6 ,x+5.6=9.4, 52-x =15 ,1÷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, 1.4*8-2x=6, 410-3x=170, 3(x+0.5)

2.1*11+11*1.9=443.2x3.2-0.24=104 x 2.5+17.7=27.72 + 1/6 +1/3=2.53/4 x 1/4 =12/13.2+2.6=5.80.87-0.49=0.38 1.25*17.6=2236.1÷0.8=45.1252.63*12.5 =32.8751.2*12+2.3*2=191.25*8=1010003-9726=77720.6*13.5=278.1

(1)2x+8=16 (2)x/5=10(3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4 (30)3x-

(1)2x+5=6(2)5x=x+1(3)x+2=3(x+5)(4)5y=9-2y(5)3a/2=5a+5(6)4+m=6-m(7)6n+8=7n/2+5(8)(y+5)/2=2(y-9)/5(9)x-3=2x(10)y+1=2y(11)x+1=6x(12)11m-5=9(2m+3)/2(13)2/5=x/6(14)7/n=13/5(15)a-6=5a-8(16)7y+8=6(17)2a=4(18

1) 3x-(1/2 1/4)=7/12 3x=7/12 3/4 3x=4/3 x=4/9 (2) 6.6-5x=3/4-4x 6.6-0.75=-4x 5x x=5.85 (3) 1.1x 2.2=5.5-3.3x 1.1x 3.3x=5.5-2.2 4.4x=3.3 x=3/4=4/3 还有 (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

哎,我数学差,我来温习下(放心我大学毕业),真佩服你,把这些字打上去的时间都做完了!1)2x+8=16 2x=16-8=8 x=8/2=42)5/x=10 x=10/1/5=50(3)x+7x=8 8x=8 x=8/8=1(4)9x-3x=6 6x=6 x=6/6=1(5)6x-8=4 6x=4+8 x=12/6=2(6)5x+x=9 6x=9 x=9/

2x+3x=605x=60 x=123.6x-2.8x=120.8x=12 x=15100x-x=19899x=198 x=218x+2x=6020x=60 x=35x+6x=12.111x=12.1 x=1.16.6x-5x=81.6x=8 x=54x-x=243x=24 x=81.5x-x=10.5x=1 x=21.9x+0.4x=9.22.3x=9.2 x=425x-5x=10020x=100 x=580x-40=(30x+40)*280x-40=60x+8020x=120 x=680x-3200=60x+120020x=4400 x=220

1:解设还要运X次 2:(7+11)X除以2=904乘3+2.5X=29.53: 9X+908=5480 4: 3乘45+3X+17=2725:(87.1乘40+42X)除以2=85

x-30=12x=42 (53)6x-21=21x=7 (54)6x-3=6x=1.5 (55)9x=18x=2 (56)4x-18=13x=31/4 (57)5x+9=11x=0.4 (58)6-2x=11x=-5/2 (59)x+4+8=23x=11 (60)7x-12=8x=20/7 (61)X-5.7=2.15x=7.85 (62)155X-2X=18(62)3X0.7=5 (63)3.5*2=4.2xx=5/6 (64)26*1.5=

2x+3x=605x=60x=123.6x-2.8x=120.8x=12x=15100x-x=19899x=198x=218x+2x=60(问题里弄成+60了 是等号吧?)20x=60x=35x+6x=12.111x=12.1x=1.16.6x-5x=81.6x=8x=54x-x=243x=24x=81.5x-x=10.5x=1x=21.9x+0.4x=9.22.3x=9.2x=4

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