五年级数学解方程大全(暑假练习)吐血整理(10页).doc

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1、-五年级数学解方程大全(暑假练习)吐血整理-第 10 页10x458=810 5x-3x=684x+10=5320=45+6x13xxxx=0.91 0.1525x=12xx=10.2 xx9x5x412=22.5 14x4 2xx=48 0.7(x0.9)=423（x0.2）=9.6 5x34=3x54 x(30.5)=12 x3=12.4 7.4 (x2.1)=6 xx=8x522x156x3x=65 7x27=133x x=6.5 7x3x56 5(32x5 6(32x5 x(x3)x=153 (x9)(98x9)=440-8x=5x5=21(1.5x)2=9 15x5x16=80x3x

2、+5x=4814x-8x=1265+2x=4420x-50=5028+6x=888x-6x+30=12x+1532-22x=1024-3x=399x=100-xx+3=18x-6=1256-2x=204y+2=6x+32=763x+6=1816+8x=402x-8=84x-39=298x-3x=105x-65=428xx=14.7 35x13x5(x3)=354（4x1）=3（22x）xx2=16.1 14x3xx=158 54x=0.6 7+x=19 x+120=176 （20-8x）3=2x+1128x=358+x=90 x+150=290 79.4+x=95.5 2x+55=1297x3

3、9x=3xx=3.6 91x 1.3 3x816 7(x-2)=2x+33x+9=2718(x-2)=270 3x5=4.8 30x+25=85 8-2x=6 6x3=0.06 410-3x=170 3(x+0.5)=21 x+8=43 6x-3x=18 x+18=3x 53-x2=8 x=0.35 x=0.972 x0.756=90 （21+4x）2=10x+149x-40=5 x5+9=21 48-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x)5=30 (x-140)70=4 0.1(x0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.

4、5-3.5)x=43x+5x=48 14x-8x=123(x+0.5)=21 (x-140)70=4 7(6.5+x)=87.5 0.1(x1.5(x+1.6)=3.6 (27.5-3.5)x=4420-3x=1703(x+5)=183(x+2.1)=10.5 2(x-3)=5.8 2(2.8+x)=10.4 (x-3)2=7.5 5(x+8)=102 1.5(x48-20+5x=31x+2x+8=8013(x+5)=169 7(x-2)=49 (x-6)3=72(x+x+0.5)=9.8 0.1(x+6)=14(x-140)70=6 4(x6xx-x7（x+2）=5x+602(x5x+2x=

5、56xx=612x-8x13x-2=63xx16+2x=488(5-x3x+2x+8=383200=450+5x+xx15x303x+9367(x-2)=73x+9=1218(x-2)=277（2x-6）=8412x=320+4x5x+16=20.5 2x0.4=3.2 xx(6x-90)2=45xxx48-2x=648-27+5x=3191x41-3x=17x+18=55x6(x-10)=24x22(x+x53-x=848-20+5x=3153-x=840-8x=525000+x=6x8x-156=3x-205（x-8）=3x7x-7=6x+41.8+2x=6200-x5=30x+2=16.4 6（x（2x+7）2=4x+14x 3x816xx+2x+8=80200-x5=303x+9=275.3+7x813x=9xx=6 12x+8x 7(x-2)=4948+2x=36 (x-2)3=7x5+9=210.5x+9=401.5x+6=3x(200-x)5=30x20.9x5x6x+3x=36x70x=4xx5(x+5)=100x+3x=703(x+3)=505.37+x153x=530x=85（6x-40）8=5x-81.8+2x=6420-3x=1703(x+5)=18x+9=406x+3x=36x+6=3x240（x7）=30