小學(xué)四年級(jí)下冊小數(shù)加減口算練習(xí)題

1、1 / 3小數(shù)加減 （二 ）6.40.5=6.7 5.8=9.83.8=0.23+0.16=7.8+6.4=4.6+2.7=4.5+2.7=0.29+0.15=5-1.6=3-0.6=3-1.2=0.16+0.19=6.7+7.6=5.4+7.8=2.6+3.6=7-4.6=3.5-1.7=8.3-2.6=1.4-0.7=6-0.37=4.5+2.8=7.4+2.6=6.2+1.4=4-1.2=5.4-2.6=2.3-1.4=3.7-1.8=0.28+0.27=5.2+1.6=3.6+0.8=0.66+1.4=0.75+0.42=6.5-5.8=0.72-0.49=0.42-0.28=8-0.

2、64=0.24+0.19=2.4+1.3=4.5+2.3=0.72-0.27=0.78-0.32=0.65-0.04=2.3+1.9=2.7-0.8=10-4.2=7.1-3.9=4.3-1.4=2.6-1.6=0.8-0.3=0.65-0.4=0.91-0.6=1.8-1.6=4.8-0.5=3.2-0.4=2 / 3小數(shù)加減（三）9.84.8=128.3=15.26.5=20.111.1 =13.3410.32=6.520.48=6.35.1 =8.73.6=14.34.3=1.5+0.54=10+4.2=2.47+3.24=2.98+0.56二5.641.78=8.02+0.98=7.1

3、3.9=2.8+11.39=12.53+4.67=7.26.45=1.65+3.35=7.961.45=601.27=6.07+4.89=50.41 =0.9+0.5=20.7=1.2+4.3=0.12+0.3=5.42.7=6+2.9=3.71.7=4.2+0.8=7.5+2.5=2.2+4.3=9.57.1 =3.5+1.6=5.22.8=7.8+1.6=9.64.1 =104.2=5.12.5=4.13.4=1.2+3.8=9.64.1 =7.8+1.6=3.5+1.6=4.41.4=2.9+2.1 =3.5+1.2=4.83.4=6.92.5=2.5+7.8=8-5.4=6.92.5=

4、3 / 3小數(shù)加減（四）2+3.5= 6.8-2.2= 4.7+5.4= 4.1+8.8= 2.2+5.5= 9.6-2.仁1.7+3.8= 743.6= 0.8-0.23=1.6+2.4= 4.7+3.5= 1.2+3.6= 1.5+3.8= 2.8+1.2= 7.3+2.7= 7.3+2.7= 6.2-3.7= 4.2-3.9=0.54+0.65= 7.5-5.2= 0.7+0.5= 0.32+0.47= 8.3-6.3= 7.2+0.42= 0.48+0.52= 0.8-0.25=43.5-0.65= 0.32-0.16= 0.35+0.55= 0.87-0.8= 0.24-0.08=

5、0.92-0.37= 1.4+0.6= 3.6+4.2=0.72-0.48= 6.8+3.2= 7.1-3.4= 0.42+0.66= 0.32+0.68=2.8+7.2= 0.65+0.19= 3.09+1.2=3.25+5.64= 0.25+0.47= 0.82+0.18=7.8+2.4= 0.45-0.18= 0.4+0.16=8.2+1.8= 0.73+0.27= 8-3.2=9.8-4.8= 3+2.4= 2.8-0.9=小數(shù)加減（五）1.29-0.18= 5.1-0.8= 10-0.3= 9+0.1= 8.9-4.9= 6.8-0.7= 8-0.72= 6.6-3.4= 6.4+1

6、.3=1.2-0.8= 7.3+6.2= 8.7+3.6= 12.3+0.7= 0.8+9.2= 4.7-1.9= 5.1-3.9= 1.4-0.6= 3.8+6.4=0.6+7.45= 4.9+0.1= 4.5+3.2= 1.8+0.9= 6.5+0.5= 10.5-6.5= 7.5+0.5= 0.78-0.28= 12.8-2.8=9.6- 2.3= 3.8+0.12= 0.8-0.08= 10-7.4= 7.5-3.2= 0.42+0.58= 0.8+0.15= 2.5+0.4= 8.2-2.6=1.4-0.7= 2.5+4.6= 0.5+9.8= 6.7-2.6= 7.2+5.9= 8

7、.7-3.6= 5.69-2.48= 2.9+4.1= 9.1-6.7=2.03+1.2= 8.6-4.9= 1.3+2.03= 9.46-7.21= 1.56+2.24= 3.5-1.25=小數(shù)加減（六）0.75+0.4= 20+0.78= 4.8+4.2= 5.7-3= 4.9-1.7= 1.34+0.8= 2-0.75= 8.7+0.03= 0.2-0.09=8.5+2.5= 3.4-1.4= 0.68+0.42=7.82-7.2= 2+9.1= 0.48+0.52=8.1-5.1= 0.78-0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.9+0.1= 1-0

8、.8= 4.5-4= 5.6+4=5.7+3.3= 10-4.4= 6+6.6=9.5-2.7= 1-0.55= 3.7+4.8= 7+3.3= 3.25+0.75= 2.7+3.9= 0.7+0.9= 1-0.44= 0.9+1 =14.6- 0.4= 10-0.1= 14+0.78= 3+2.7= 5-0.08= 1.64+2.35= 1.1-1= 8.34-6.22= 12.6+3.4=1.3+4.3= 7.2+6.9= 9.3-8.8= 4.4+15.99= 19.8-5.6= 96.3-56.2 = 79.2+56.8= 1.9+25.793=88-69.21 =小數(shù)加減（七）計(jì)算并驗(yàn)算。10-0.6= 4.3+1.7= 93.27-12.56= 15.6+3.2= 45.6+90.1= 30.48+4.295= 75.42-14.34= 103.27+96.7=小數(shù)加減（七）脫式計(jì)算。8.56-4.65+8.29 5.76+8.65-0.89 32.5+13.29-18.04 24.5+（3.74-0.98） 10-1.39-4.20560.6-（3.14+0.4）18-（4.6+2.08） +0.02 4.69+3.02+0.04+2.7小數(shù)加減（八）用