小学生方程题400道题.docx

1、小学生方程题400道题小学生方程题400道题X(16+38)=13125X2.458365-34X=3523(X-4.5)=712X-0.25X=10X-0.8X=16+620X-8.5=1.5X0.25X=90X37X=893X+5X=4814X-8X=1265+2X=4420X-50=5028+6X=8832-22X=1024-3X=310X（5+1）=6099X=100-XX+3=18X-6=1256-2X=204y+2=63X+6=1816+8X=402X-8=84X-39=298X-3X=105X-65=42X+5+19X+3=1012X-9X=96X+18=4856X-50X=30

2、5X=1578-5X=2832y-29=35X+5=1589X-9=80100-20X=2055X-25X=6076y-75=123y-23=234X-20=080y+20=10053X-90=162X+9X=1112y-12=2480+5X=1007X-8=665X+35=100X+32=763X+6=1816+8X=402X-8=84X-39=298X-3X=1053X+5X=48X+5=72X+3=1012X-9X=96X+18=4856X-50X=305X=1578-5X=2832y-29=35X+5=1589X-9=80100-20X=2055X-25X=6076y-75=123y-

3、23=234X-20=080y+20=10053X-90=162X+9X=1112y-12=2480+5X=1007X-8=665X+35=10019y+y=4025-5X=1579y+y=8042X+28X=1403X-1=890y-90=9080y-90=7078y+2y=16088-X=809-4X=120X=4065y-30=10051y-y=10085y+1=8645X-50=402X+25=350.7X+0.2X=3.66X5=13.425X-13X=3104X638篇三X5=10X+7x=86x-8=445x=20X-6=129x-3x=66x-8=42x-6=1212x-8=4

4、3x+7=283x-7=2624x+x=503x-8=305x-3x=42x+16=195x+8=192x+16=195x+8=192x-8=47x+8=152x-8=102x-8=43x+7=289x-x=1624x+x=50X+8=2413+X=35X-16=42Y-1.5=3.74.6+X=5.1X-1.5=3.85X=326X=63X4=16X1.3=3.21.2X=7.2X3=15X-65=4214X-8X=1265+2X=4420X-50=5028+6X=8832-22X=1024-3X=310X（5+1）=6099X=100-XX+3=18X-6=1256-2X=20(0.5+x

5、)+x=9.822(X+X+0.5)=9.825000+x=6x3200=450+5X+XX-0.8X=612x-8x=4.87.5*2X=151.2x=81.6x+5.6=9.452x 1591x 1.3X+8.3=10.715x 33x8167(x-2)=2x+33x+9=2718(x-2)=27012x=300-4x7x+5.3=7.43x5=4.830x+25=851.48-2x=66x-12.83=0.06410-3x=1703(x+0.5)=210.5x+8=436x-3x=181.5x+18=3x53-x2=80.273x=0.351.8x=0.972x0.756=909x-40

6、=5x5+9=2148-27+5x=3110.5+x+21=56x+2x+18=78(200-x)5=30(x-140)70=40.1(x+6)=3.30.44(x-5.6)=1.67(6.5+x)=87.5(27.5-3.5)x=4x+19.8=25.85.6x=33.69.8-x=3.875.6x=12.65x+12.5=32.35(x+8)=102x+3x+10=703(x+3)=50-x+35x+15=603.5-5x=20.37+4x=12.5x1.5-1.25=0.754x-1.36=2.620-9x=1.26.256x+12.8=15.81502+3x=6902x-20=43x+

7、6=182(2.8+x)=10.4(x-3)2=7.513.2x+9x=33.33x=x+100x+4.8=7.26x+18=483(x+2.1)=10.512x-9x=8.713(x+5)=1692x-97=34.23.4x-48=26.842x+25x=1341.5(x+1.6)=3.62(x-3)=5.865x+7=429x+42.5914.2 x+2.5x13410.5x+6.5x=5189x-43x=9.25x-45=1001.2x-0.5x=6.323.4=2x=564x-x=48.64.5x-x=28X-5.7=2.1515 5X-2X=183X+0.7=53.52= 4.2+x

8、261.5= 2x+100.516160.2=4x13 9.25X=0.40316.9X=0.3X0.5=2.6x13333 5x801.8 +6x546.7x 60.36.79 4x 402x+8=16x/5=10x+7x=89x-3x=66x-8=45x+x=9x-8=6x4/5x=202x-6=127x+7=146x-6=05x+6=112x-8=101/2x-8=4x-5/6=73x+7=283x-7=269x-x=1624x+x=506/7x-8=43x-8=306x+6=123x-3=15x-3x=42x+16=195x+8=1914-6x=815+6x=275-8x=47x+8=

9、159-2x=14+5x=910-x=88x+9=179+6x=14x+9x=4+72x+9=178-4x=66x-7=127x-9=8x-56=18-7x=1x-30=126x-21=216x-3=69x=184x-18=135x+9=116-2x=11x+4+8=237x-12=8X-5.7=2.1515 5X-2X=183X 0.7=53.52= 4.2 x261.5= 2x0.516160.2=4x9.25X=0.40316.9X=0.3X0.5=2.635x801.8-6x546.7x60.36.79 4x400.2x0.40.53.79.4x0.4x16.2124x201/3x5/6x1.412x34x=118x14x=1223 x514=141234x=562214x=1223x-14x=14x14x=6523x=14x1430x12x14x=1x-0.7x=3.6