北師大版四年級數(shù)學(xué)下冊第一單元小數(shù)加減法專項練習(xí)題

1、一、照樣子，填一填。7.57=7+0.5+0.072.85 =+12.07 =+8.821=+二、列豎式計算。1.6-1.3=6.2+2.4=1.2+3.2=59.7-55.3=14.0 + 23.4=56.75-52.4 =三、計算。3.25=3+0.2+0.0513.81=+12.01=+1.796 =+5.2+4.13=二、列豎式計算。8.5- 1.8=6.7+2.5=87.9-50.2=43.3 + 32.5=88.95-11.1 =三、計算。7.59 1.55 4.148.96 (4.27 1.83)2.92 8.29 5.95一、照樣子，填一填。7.89=7+0.8+0.096.4

2、5 =+13.09 =+7.439 =+二、列豎式計算。1.4-1.2=7.3+2=3.2 + 2.04 =97.7 23.0=40.0 + 22.5=96.86-11.0=三、計算。4.38 = 4+0.3+0.0813.54 =+1.08 =+1.235 =+二、列豎式計算。3.4 - 1.6=3.5 +3.1 =3.4+2.02=59.6-50.4=24.2 + 43.5=59.97-52.2 =5.67-1.12+0.757.09-(3.8 + 0.9)5.53 7.23 5.41三、計算。一、照樣子，填一填6.28=6+0.2+0.0813.39 =+5.03 =+15.132 =+

3、二、列豎式計算。8.8-1.1=6.1+ 3.1=2+4.02=78.6 21.4=10.3+11.4=85.66-21.0 =三、計算。6.97=6+0.9+0.07 9.65 =+6.09 =+11.316=+1 + 4.32=二、列豎式計算。4.6-2.6=3.4+2.2 =59.8-43.3=14.1+30.2=67.57-43.1 =7.14+1.18+2.378.64-(4.65+0.57)6.95 6.97 4.99三、計算。一、照樣子，填一填。3.36=3+0.3+0.0615.94 =+13.02 =+9.482 =+3+3.03 =二、列豎式計算。9.7-2=4.7 + 3

4、.5=79.8-34.1=14.2 + 44.3=57.66-43.0 =三、計算。6.68-3.52+9.988.71-(3.59+2)7.83 7.42 4.64一、照樣子，填一填。8.39=8+0.3+0.093.36 =+14.05 =+7.743 =+二、列豎式計算。3.3-2.4=1.6+2.4=5.3+2.41 =77.6-53.0=13.2 + 25.0=67.79-11.2=三、計算。7+2.24+5.718.17-(4.18+ 1.46)7.14+5.68-2.72一、照樣子，填一填。1.89=1 + 0.8+0.091.64 =+3.05 =+9.217 =+4.2+1.

5、43=二、列豎式計算。8.27.1=5.2+ 1.1 =5.3+4.16+5.979.39-(3.99+ 1.65)2.04 7.96 3.3289.5-31.1 =11.4+40.1 =87.55-30.0 =三、計算。一、照樣子，填一填。4.13 = 4+0.1 + 0.038.69 =+5.03 =+10.219 =+二、列豎式計算。86.6-51.1 =6.8 4=6.5+ 1.1 =1.2 + 4.24 =11.1 + 30.4=77.76-23.2 =三、計算。9.59 1.08 0.849.82 (4.12 1.65)4.1 7.34 4.68一、照樣子，填一填。9.62=9+0

6、.6+0.023.22 =+1.08 =+7.433 =+二、列豎式計算。4.3 + 2.14 =3-1.7=4.6 + 2.7 =9.89+3.91 + 2.829.74-(4.01 + 0.87)1.67 + 9.25+3.4269.6-53.3=10.3 + 44.4=67.89-51.3 =三、計算。一、照樣子，填一填。3.69=3+0.6+0.099.95 =+6.07 =+14.777 =+二、列豎式計算。67.79-30.3 =2.41=1.6 + 2.7=3.4 + 1.02 =79.5 33.2=34.3 + 35.4=三、計算。3.56=3+0.5+0.0614.53 =+

7、2.01=+10.846 =+二、列豎式計算。9.2 5.7=2.9+ 4.8=1 + 3.12=69.9 52.2=22.4 + 31.5=95.69-50.3 =三、計算。6.72 4.25 0.18.91 (4.1 0.91)6.69 6.14 3.44一、照樣子，填一填。7.46=7+0.4+0.062.57 =+13.09 =+1.238 =+二、列豎式計算。1.6-1=9+1=1.3+1.32=77.8-55.0=31.1+22.4=56.88-12.3 =7.28-4.1 + 5.49.16-(3.91-1.39)5.94+5.21 + 0.35三、計算。一、照樣子，填一填。8.

8、61 = 8+0.6+0.0113.98 =+1.02 =+2.755 =+二、列豎式計算。8.6-6.4=4.1+ 5.3=2+4.04=87.9-12.0=50.1+43.0=96.56-22.4 =8.08-4.92+7.739.7-(4.33+1.08)2.86 5.78 5.97三、計算。一、照樣子，填一填。5.97=5+0.9+0.079.97 =+15.02 =+14.825 =+二、列豎式計算。7.8-2.7 =3.5+ 1.5=4.3+3.33=78.9-15.4=51.1 + 12.4=65.85-32.4 =6.4+2 + 0.117.03-(4.31 + 0.71)6.

9、42 9.92 4.68三、計算。一、照樣子，填一填。2.61 = 2+0.6+0.019.29 =+14.07 =+14.852 =+二、列豎式計算。1.1-1=8.3+1.6=2.3 + 2.42 =95.8-50.4=23.2 + 21.4=75.59-22.1 =7.59-4.8+5.259.45-(3.15+0.72)9.7 6.75 5.74三、計算。一、照樣子，填一填。4.21=4+0.2+0.018.21 =+15.02 =+1.495 =+二、列豎式計算。7.62.1=7.8+2=5.1 +4.1 =75.9-54.0=34.0 + 20.3=79.99-12.2 =8.29

10、+1.02+7.968.71-(4.41-1.14)8.66 + 8.79+2.7三、計算。一、照樣子，填一填。8.18=8+0.1 + 0.0815.42 =+3.09 =+12.995 =+二、列豎式計算。1.2-1.1=8.9+ 1.1=1.2+4.03=65.8-25.2=44.4 + 20.3=96.7624.2 =三、計算。6.42=6+0.4+0.023.86 =+7.05 =+14.869 =+二、列豎式計算。6.2- 1.9=6.1+ 1.5=4.1 + 1.04=86.7-21.0=22.3+15.3=57.88-51.2 =三、計算。8.37 2.45 4.68.08 (

11、4.84 1.5)6.13 7.97 0.8一、照樣子，填一填。7.69=7+0.6+0.096.23 =+11.03=+14.319 =+二、列豎式計算。1.3-1.2=6.1+ 2.9=3+2.12=67.5 33.0=34.0 + 30.0=85.8915.3 =三、計算。2.79=2+0.7+0.093.81 =+7.06 =+2.468 =+二、列豎式計算。8.7- 1.3=4.4+2.4=2.4+3.42=99.6 45.4=22.3 + 25.2=99.59-41.2 =三、計算。5.85 4.28 9.348.77 (3.6 1.77)4.13 6.99 3.78一、照樣子，填

12、一填。5.72=5+0.7+0.0215.97 =+8.07 =+4.519 =+二、列豎式計算。5.1 3.1 =6.6+ 1.1=3.4+4.03=66.5-11.1 =22.0 + 34.3=77.77-44.4 =8.09 + 4.51 + 4.89.03-(4.25+ 1.1)5.19+5.17-3.22三、計算。一、照樣子，填一填。1.34=1 + 0.3+0.0410.11=+2.02 =+13.441=+二、列豎式計算。77.9-12.0=8.8 2.6=6.5+ 3.2=4+ 1.41 =10.2 + 30.1=78.97-25.2 =三、計算。5.84=5+0.8+0.04

13、13.52 =+7.06 =+5.129 =+1.4 + 3.43 =二、列豎式計算。8.4-1.3=9+1 =9.03+1.32+1.147.11-(3.83-1.37)9.87 7.35 5.4957.8-22.2=11.0+31.0 =95.87-50.3 =三、計算。一、照樣子，填一填。1.68=1 + 0.6+0.085.97 =+11.09=+12.214 =+二、列豎式計算。4.2+2.34=1.4- 1.1=8.8+ 1.2 =8.33 3.37 7.129.26 (3.22 0.73)6.39 6.12 1.2778.7-21.4=14.3 + 25.5=95.96-13.2

14、 =三、計算。一、照樣子，填一填。5.32=5+0.3+0.0215.11 =+2.03 =+5.857 =+二、列豎式計算。3.5 2.2=2.6+ 5.8=3.3+4.3=87.6 33.3=10.1+44.2=56.78-52.4 =三、計算。6.58=6+0.5+0.08 2.36 =+1.06 =+3.433 =+二、列豎式計算。3.3 2.7=5.7+ 2.4=2.2+4.4=76.5-23.1 =40.0+15.0=85.87-33.1 =三、計算。7.64 4.56 9.888.32 (3.24 1.11)6.01 9.99 3.19一、照樣子，填一填。5.82=5+0.8+0.0211.65=+12.02 =+1.768 =+二、列豎式計算。4.5-3.3=1.5+5=5.1+1.23 =78.8-44.0=12.3 + 34.3=