人教版四年级数学下册小数加减法综合练习题30.docx
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人教版四年级数学下册小数加减法综合练习题30
一、口算。
7.4-0.5=2.3+7.3=44.4-7=0.66+0.45=
8.7+0.9=7.2+0.8=8+4.3=0.86-0.26=
5.6-0.6=5.8+2.8=21.2-1=0.66+0.19=
1.9-0.6=5.3+2.5=7.3+2.8=0.72-0.45=
2.8-0.7=0.6+8.2=88.7-5=0.57+0.36=
二、笔算。
5.6-0.1=15.5+6.6=7.11+2.37=66.9+23.4=
9.56+6.08=85.27+1.52=7.84+0.37=16.26-6.54=
6.09-0.72=46.24-5.66=8.33-4.38=57.9+45.4=
7.25+6.48=48.08-9.36=4.24-0.59=15.32+1.75=
一、口算。
6.6-0.2=2.1+0.9=31.2-6=0.73+0.28=
8.5+0.8=9.1+1.6=7.8-2.4=0.93+0.16=
1.9+0.6=3.5+8.2=80.6+4=0.77-0.05=
4.1-0.4=6.3-4.6=9.3+2.6=0.84-0.45=
1.6-0.8=3.9+1.1=53.7+1=0.76-0.27=
二、笔算。
1.83+0.55=65.68-5.86=7.55-2.1=76.6+23.3=
7.41-1.06=72.51-2.09=4.9+0.28=66.56-1.84=
9.44+0.94=32.17+5.55=9.35+1.02=73.9+30.5=
7.08+4.6=85.4+4.92=2.38-0.4=91.89-6.01=
一、口算。
5.2-0.4=5.5+3.6=74.4+1=0.82-0.23=
1.9-0.4=7.5-3.8=8.3-4.7=0.94+0.01=
6.1+0.6=9.9+8=79.5-7=0.9+0.27=
8-0.4=9.7-0.7=8.8+1.9=0.71+0.21=
5.1+0.2=2.2+7.6=62.7-4=0.55-0.22=
二、笔算。
8.97-0.3=67.03-4.63=7.98+2.35=86.5-23.5=
9.03+1.36=65.66-1.51=5.76+0.49=20.28+8.07=
7.04-0.97=70.79+9.2=9.96-3.99=61.2-20=
7.13+3.81=51.91+9.59=5.81-0.11=79.39-1.94=
一、口算。
7.8-0.5=8.9+1.7=41.2+1=0.5-0.35=
8.8-0.2=6.5+1.4=7-2.5=0.99-0.36=
2.7-0.7=2.4+4.4=40.4-9=0.52-0.05=
5.3+0.9=5.1+1.2=9.9-1.3=0.77-0.44=
2.5+0.3=8.2+9.9=99.4+8=0.81+0.39=
二、笔算。
2.86-0.76=64.9-6.35=9.43+6.13=89.1+5.7=
7.45+1.89=66.66+6=8.88+0.67=48.56+3.46=
6.61+0.89=67.81-3.59=8.68-3.4=88.2+23.3=
9.84+3.51=75.34-1.29=6.18+0.5=26.47-5.25=
一、口算。
3.6+0.7=1.9+7.3=76.1+2=0.96+0.04=
4+0.7=8.5+4.4=9.7-3.9=0.94-0.07=
3.1-0.5=3.8+5.3=70.5+7=0.74-0.33=
5.9+0.7=6.6-1.1=9.2-3=0.58+0.02=
2.3+0.9=1.2+0.9=98.7+4=0.65+0.14=
二、笔算。
9.02-0.12=60.26-6.32=8.63-2.84=66.1+38.4=
8.86-4.22=11.03-3.66=8.89-0.58=94.16+6.54=
2.61-0.64=36.8-5.32=7.41-1.26=96+13.3=
8.97-5.14=99.33+2.37=2.37-0.19=22.08+3.14=
一、口算。
8.4-0.8=8+6.7=32.1+6=0.58-0.01=
7.1-0.8=7+0.1=8.9-5.9=0.54-0.17=
8.8-0.1=6.9+8.3=27.2+5=0.79+0.17=
5.4-0.5=8.7+0.8=9+0.2=0.93+0.27=
3.2-0.4=3.2+7.3=81.6+8=0.92-0.19=
二、笔算。
6.88-0.52=70.88+7=9.87+3.8=70.9+20.6=
9.78-5.1=10.49+8.39=2.88-0.2=31.08+3.05=
5.47+0.64=52.75+5.48=9.61-5.68=93.1+40.4=
7.21+3.64=80.79+9.92=9.2-0.57=52.61+2.69=
一、口算。
1.8+0.3=4.3+4.4=42.5-5=0.58-0.03=
2.1-0.6=7.6-3.9=9.2+0.4=0.63-0.35=
6.1+0.9=8.6+9.4=27.8+7=0.65-0.43=
6.9+0.8=7.8+4.3=7.8+5.8=0.61-0.28=
7.7-0.9=6.1+9.9=86.1-5=0.56+0.23=
二、笔算。
7.37+0.22=50.14-3.41=7.68+6.03=77.5+14.1=
8.33-6.24=39.66+4.14=6.65-0.32=54.7+6.85=
3.94+0.59=16.6-6.93=8.65-1.12=92.6-49=
9.53-2.45=17.06-3.76=4.78-0.8=52.98-5.95=
一、口算。
2.1-0.7=8.6+8.1=45.8-8=0.52-0.43=
4.6-0.8=6.4+2.5=8.1-0.5=0.51+0.02=
4.2+0.8=9.5+5.2=26.1+5=0.66-0.41=
2.7-0.8=6.7+4.1=8.1-3.6=0.76-0.28=
1-0.7=7.7+4.8=25.7-7=0.93-0.07=
二、笔算。
5.16-0.05=87.41-5.32=8.69+1.64=69.2-6.8=
9.11+1.32=94.1+9.11=1.72-0.71=45.07+6.78=
7.89+0.71=91.49-5.97=8.33-6.46=57+38.7=
9.54+3.14=96.04+8.59=7.55-0.6=52.1+2.95=
一、口算。
6.1-0.1=7.1+1.7=30.5+7=0.89+0.11=
1.8+0.6=5.4+0.2=7.9-2.7=0.68+0.14=
7.5-0.9=2.8+5.6=94.4-1=0.93+0.04=
4.5+0.2=7.6-4.3=6.9-4=0.74+0.44=
3.9+0.7=7.8+1.2=26.6-1=0.86-0.01=
二、笔算。
1.59-0.85=74.39+5.09=8.79-4.58=86.1+35.4=
8.35+5.94=36.39+1.27=6.65+0.57=11.25-4.67=
5.31+0.69=24.94+7.96=9.39+4.32=70.4-18.8=
9.23-2.46=87.58+1.37=6.59-0.57=85.87+1.71=
一、口算。
1.2-0.5=5.2+7.6=87.2+2=0.74+0.04=
1.4+0.9=8.2-0.8=8.4-3.5=0.8-0.1=
8.1+0.3=0.7+4.7=97.6+9=0.63+0.35=
8.8-0.6=6.8+4.7=6.2-3.3=0.58-0.27=
4.5+0.7=0.5+7.9=50.3+7=0.5+0.13=
二、笔算。
5.18-0.65=53.17+3.17=7.25+5.1=78.9-29.5=
7.64+6.34=40.39+5.43=5.59-0.84=91.14-5.91=
8.21-0.13=78.75+1.3=9.3-1.25=96.3+18.4=
7.63+2.23=33.1-1.07=1.77+0.31=22.28-5.26=
一、口算。
3.6+0.2=2.8+8.2=93.5+7=0.5-0.39=
2.9+0.2=7+0.1=9.7-0.1=0.78+0.17=
7.9-0.7=5.9+1.3=43.8-1=0.69+0.27=
8.3-0.6=9-4.1=9+0.6=0.67+0.46=
1.2+0.8=6.9+0.2=76.8-6=0.55-0.07=
二、笔算。
6.58-0.1=12.46+1.21=7.16+4.02=63.8+39.7=
7.37+5.29=46.35-4.52=8.23-0.35=91.91-6.43=
3+0.13=83.29-1.81=8.93+4.69=73.5-33.1=
9.77+6.69=94.84+6.3=8.89+0.18=86.5-9.93=
一、口算。
5.4+0.9=9.4+9.2=80.1+3=0.85+0.47=
6.4-0.7=6.8+2.9=9.3+4.9=0.51+0.29=
7.6+0.1=3.7+2.1=67.1+6=0.97-0.41=
2.5+0.2=5+4=8.6+1.6=0.81-0.1=
2.5-0.7=4.1+2.8=20.9+1=0.52-0.2=
二、笔算。
1.92-0.71=38.87-4.79=8.51+2.03=78.6+45.5=
9.19-5.47=47.05+5.7=3.3+0.68=65.41-5.85=
2.01-0.02=94.94-5.64=8.81+4.56=94.2+42.1=
9.97+1.73=39.17-3.1=5.14-0.31=62.76+7.09=
一、口算。
3.3+0.7=3.9+4.2=40.1-3=0.53-0.31=
9-0.6=6.9+3.5=7.7+5.5=0.55-0.05=
3.6+0.9=8.5+2=60.6-4=0.75-0.24=
1.6+0.5=8.5+0.3=8.8+2.5=0.81+0.29=
8.4-0.9=2.7+3.3=27.5+1=0.55-0.41=
二、笔算。
2.5-0.69=43.67-7.48=9.76-2.4=93.9-9.6=
8.78-2.21=76.1+1.83=8.02+0.98=37.32-9.19=
4.18+0.58=27.05+5.88=7.39-5.5=83.3-38.6=
9.97+1.14=16.03-1.62=3.36+0.7=39.8+6.91=
一、口算。
6.1+0.1=3.7+3=42.1+1=0.51+0.26=
1.7-0.7=9.4-2.8=8.4-3.8=0.56+0.26=
3.4-0.9=7.2+5.8=33.1-7=0.63-0.4=
1.7+0.7=8.6+4.7=9.8-3.6=0.58+0.4=
5.2-0.4=9+5.8=37.9+9=0.98-0.41=
二、笔算。
6.09-0.64=21.07-8.27=8.32+3.98=79.5-30.7=
7.73+1.65=13.38-3.52=3.7+0.52=61.29+8.14=
4.7-0.18=46.23-4.3=9.01-4.22=76.4+18.6=
8.5-5.57=56.18+5.73=6.98+0.3=12.07+8.19=
一、口算。
2.6-0.8=8.9+3.7=76.8-4=0.83+0.2=
4.3+0.1=8.3-3.1=9.5-5.9=0.78+0.21=
8.3+0.1=3+4.4=76.8-7=0.9+0.31=
8.3+0.1=9.8+4.9=6.3+0.2=0.73-0.34=
1.6-0.3=7.3+4.8=94.4-1=0.91-0.19=
二、笔算。
6.57+0.62=82.27-7.25=7.84-6.67=93.2-21.6=
7.95+3.7=40.5+7.79=4.17-0.66=52.51+6.17=
4.66-0.89=57.7+8.05=8.96-2.57=87.3+15.4=
9.94-1.22=82.39-9.66=2.75+0.78=16.52-9.67=
一、口算。
4.6-0.1=2.8+4.7=31.6-6=0.63+0.16=
8.9+0.8=6.7-0.5=7.6-2.6=0.88+0.46=
3.8+0.4=7.3+3.5=67.5+4=0.97+0.14=
2.7+0.4=7.2+1.3=9.6-1.3=0.88+0.09=
4.7+0.2=8.6+2.3=30.4-7=0.53-0.4=
二、笔算。
6.04+0.05=61.98-8.97=7.19-6.57=80.1-10.5=
8.58-2.21=39.86+2.01=8.56-0.86=35.3+3.24=
8.27-0.48=86.76-3.34=7.48+3.2=67.2+49.8=
7.07-5.43=88.12+3.52=3.09-0.04=79.91-1.45=
一、口算。
1.8+0.8=3.1+6.4=28.1+1=0.95-0.2=
6.7-0.5=7.4+0.8=7.6-0.8=0.83+0.12=
5.6+0.1=8.4+2.3=73.4+3=0.96-0.1=
5-0.4=7.1+1.5=6.1-2.6=0.75+0.39=
2.4+0.2=5.7+6.9=78.4+7=0.8-0.17=
二、笔算。
7.15+0.14=24.27+4.44=7.14-6.56=71.3-43.3=
9.68-3.38=78.15-4.21=7.65+0.83=63.67+6.1=
1.18+0.86=85.3+3.78=8.52-4.43=77.8+45.5=
8.57-1.25=44.92+7.27=1.24-0.43=21.45+6.34=
一、口算。
3.6+0.7=4.5+1.5=47.9-4=0.5-0.48=
1.6-0.8=5.3+2.9=8.8+1.5=0.91-0.43=
5+0.4=8.5+1=66.1+2=0.52+0.27=
9+0.3=8.2-1.8=8.8+4.3=0.97-0.13=
5.5+0.9=9.5+4=57.9+8=0.55+0.44=
二、笔算。
6.72-0.1=44.34+3.24=8.71-6.29=59.2+15.2=
8.32+6.88=97.6-3.52=6.06+0.03=90.32+8.02=
6.29-0.4=34.32+1.57=7.05-4.32=67.5-1=
9.57+2.77=10.76+5.34=2.8-0.04=97.43+8.79=
一、口算。
7.2+0.4=1.3+4.5=78.3-8=0.77-0.23=
4.6+0.8=6.9+1.5=6+4.5=0.86-0.13=
6.8-0.3=8.9+3.5=97.6+7=0.84+0.33=
7.4-0.5=7.3+2.3=8.1+5.9=0.94+0.49=
4.9-0.7=9.2+5.9=54.4+7=0.82+0.14=
二、笔算。
4.89-0.83=80.25-8.6=9.11+4.39=81.4+28.7=
7.79+4.03=70.9-1.19=6.97-0.06=56.38+5.85=
9.3+0.86=80.59+5.88=9.67-1.96=77.3-29.3=
9.81-5.94=25.29+3.68=9.82+0.34=47.8-6.64=
一、口算。
4.4+0.5=7.1+8.9=99.9+3=0.54-0.07=
2.1-0.9=5-1.8=7.7-3.3=0.77-0.36=
1.8-0.7=1.4+0.5=56.2-3=0.5-0.24=
1.1-0.7=5.1-2.7=7.7+0.9=0.96+0.24=
1.5+0.6=6+0.4=47.8+5=0.6-0.04=
二、笔算。
1.07+0.81=69.86-4.31=8.14-4.96=97.1+22.1=
9.51-6.11=11.03+6.88=4.44-0.54=48.26-5.81=
8.58-0.17=85.29-3.53=8.5+1.8=65-8.4=
7.64+2.1=75.31-6.75=5.17-0.14=23.3+5.