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一、3.5+x=2.5           x+120=200           52+x=120 

x+340=390         69.5+x=85.7            x+39=179     

x+3=46            x+30=66                  101+x=311

二、8x=72         12 x =12.12          2.2x=4.44

12.5x =100          4 x =800       2.5x=500       1.25x=0.125 

9 x =81           12x=144         12x=12           1.2x=1.44

三、 x－13=21        x－3.7=7.9         x－23.2=42.2

x－38.5=96          x－125=2.35           x－76=174 

x－8=19           x－8.5=10           x－1.425=2.575

四、x÷12.5=80      x÷2.2=5       x÷24=4.8

x÷0.4=10       x÷4=4.44     x÷6.6=18.18        x÷8=15    

五、    4.2－x=4.5      73.3－x=62.5         100－x=25

55－x=35.3           70－x=42.5           87－x=41.9    

36x=             43－x=23        59－x=46

解　方　程　专　题（强 化）

班级：                              姓名：               

一、3.5+2x=2.5           5x+120=200           60+6x=120 

0.5x+340=390         69.5+0.8x=85.5            0.3x+3.9=17.9     

0.2x+3=46           0.8x+30=66                  101+2.1x=311

二、8（x－6）=72        12（x8.8） x =12.12       2.2（3+x）=4.44

12.5x+16 =100  4x+32=800   200+2.5x=500       1.25x2.6=0.125 

9 x+362 =115     12x4.4=143.6     12x12=24      0.44+1.2x=1.88

三、 2x－13=21        0.1x－3.7=3.9         2x－23=42.2

0.2x－38.5=96          0.5x－125=2.35           3.2x－76=174 

5x－8=19           0.5x－8.5=10           2x－1.425=2.575

四、2x÷12.5=80      0.2x÷2.2=5       12x÷24=4.8

4x÷0.4=10       1.1x÷4=4.44   0.3x÷6.6=18.18     0.4 x÷8=15    

五、    4.2－3x=4.5      73.3－2x=62.5         100－25x=25

55－5x=55           70－0.5x=42.5           87－0.2x=41.9    

360.6x=             43－0.02x=23        59－1.3x=46下载本文