人教版四年级数学下册小数加减法综合练习题127.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127
一、口算。
1+0.8=5.4+0.1=24.3-4=0.79-0.19=
6.9+0.2=8.7-3.7=9.7-2.3=0.65-0.19=
2.5-0.3=3.2+9.8=37.8-3=0.88-0.03=
1.2-0.9=8.4+0.2=8.7+4.9=0.83+0.06=
4.7-0.8=4.5+6.6=92.9+1=0.72+0.01=
二、笔算。
1.18+0.91=90.02+1.64=9.15+3.37=66.2-29.2=
8.68+4.87=96.4+7.47=2.33+0.69=84.18-5.17=
1.32+0.76=73.95-4.66=7.32-5.56=50.6+22=
8.9-1.32=36.33-2.2=8.87-0.87=56.03-9.45=
一、口算。
8-0.2=9.8+3.1=47.3-1=0.97+0.35=
6.2-0.1=6.7+2.5=9.3+4=0.85-0.18=
9-0.2=4.3+7.4=47.9+8=0.67-0.18=
5.5+0.2=6.6-2.4=6.9-1.6=0.99+0.49=
5.9+0.6=5.1+8.3=53.4-8=0.92-0.14=
二、笔算。
7.84+0.52=35.87-9.04=9.93-4.72=79.4+47.3=
7.09+2.09=77.59+8.56=5.21+0.2=25.08-4.32=
4.44+0.42=17.61-3.29=7.11+1.9=89.6-15.5=
7.26-1.29=86.94+6.83=2.95+0.16=43.76-1.76=
一、口算。
6.9+0.9=6.7+1.1=90.6-1=0.55+0.1=
5.8-0.1=9.2-2.5=8.9+4.3=0.84+0.02=
4.3+0.1=2.7+4.3=52.1+3=0.83-0.03=
2.3-0.2=8.7+0.6=7.9+5.2=0.98+0.16=
1.1-0.7=9.3+3.9=87.1-8=0.72-0.39=
二、笔算。
4.65-0.79=96.11-4.77=8.44+3.91=89.4-29.3=
7.01-1.54=35.1-7.49=4.77+0.81=93.81-2.26=
6.83-0.01=44.99-2.52=9.02-5.24=66.6-43.6=
9.85-1.56=88.06-6.41=2.33+0.39=94.3-3.69=
一、口算。
2.4-0.5=4.9+4.2=13.8+3=0.65-0.27=
5.8-0.5=5.7-4=6.7+3.7=0.67-0.31=
5-0.6=5.3+4.4=95.1-5=0.89-0.27=
4.3+0.1=6.2+0.4=8.9-3.4=0.96-0.17=
5.4+0.4=1.1+1.5=93.5-6=0.61-0.49=
二、笔算。
5.56-0.92=40.05-4.77=9.69+2.28=59.1+45.5=
8.29-5=57.03+3.2=9.77+0.02=96.18-7.38=
5.21-0.28=94.35+8.39=7.86-4.26=95+32.4=
9.4+5.47=75.46-3.52=2.17+0.61=49.09+2.99=
一、口算。
5+0.7=3.7+3.5=44.2-9=0.77-0.33=
8.2-0.3=6.9+4.1=7.3-1.7=0.94-0.1=
7.4+0.2=3.5+7.3=90.4-4=0.88-0.24=
5.2+0.6=8+1.3=7.5+1.4=0.87+0.28=
4.3-0.1=0.1+6.5=96.1+7=0.99+0.45=
二、笔算。
7.41+0.59=15.62-2.36=8.55+4.95=65.8+38.8=
9.04-3.49=86.05+1.24=4.59+0.24=44.13-4.17=
5.63-0.29=52.7-1.8=7.98-5.21=88.1+32.4=
9.78-5.25=95.7+9.52=7.89-0.37=95.41+3.82=
一、口算。
1.5-0.1=2.5+4.7=51.9-5=0.98-0.29=
1.7+0.9=5.8-4.6=6.9-4.3=0.76-0.34=
3.5-0.2=7.3+9.2=18.7-7=0.95+0.16=
3.7+0.6=6.9-3.6=8-1.5=0.63+0.08=
5.5+0.2=4.7+6.5=82.6+1=0.57-0.46=
二、笔算。
1.68+0.53=63.01+3.47=9.28-5.9=67.6+24.7=
9.01-5.72=83.89-2.51=2.41+0.37=38.39-7.07=
5.36+0.81=97.45-3.82=8.82-5.53=73.6+40.9=
7.69-3.76=44.32-6.97=7.59+0.62=22.22+5.49=
一、口算。
5.5-0.5=3.3+8.5=17.5+6=0.58-0.27=
3.7+0.2=6.5+2.9=8.6-2.8=0.99-0.01=
5-0.7=8.3+2.2=26.2+7=0.95-0.36=
2.4+0.7=6.7+4.1=8.2-2.6=0.71-0.46=
7.5-0.4=3.1+1.2=53.4+8=0.53+0.21=
二、笔算。
4.08+0.5=63.96+8.49=9.78-3.63=69.7+24.4=
7.23+4.17=28.29+7.52=2.24-0.46=13.05-5.41=
2.63-0.25=38.17+7.94=9.9-1.97=54.3+7.8=
7.87+4.09=53.43-6.79=4.96+0.83=76.29+3.49=
一、口算。
5-0.6=7.9+5.5=76.7-3=0.99+0.43=
1.5+0.6=6.8+3.6=9.5-2.8=0.65+0.45=
6.8-0.7=0.9+8.5=78.5-2=0.56-0.23=
5.9+0.6=6.1-1.6=6.1+3.9=0.58+0.15=
8.1-0.3=9.5+3.9=85.4+1=0.9-0.28=
二、笔算。
4.17+0.55=54.95+9.13=7.5+3.54=80.7-37.3=
8.47+5.4=64.93+2.23=7.88-0.63=99.83-1.02=
1.93-0.83=84.53-6.82=8.94-5.73=91-26.2=
7.03+6.47=86.67-9.27=5.2-0.4=58.28-6.92=
一、口算。
3.8-0.1=8.2+5.6=62.7-8=0.8+0.14=
7.8+0.6=5.5+4.2=6.5-2.8=0.64-0.06=
7.6+0.1=0.3+8.4=41.2-1=0.59+0.27=
3.1+0.4=8.9+1.7=7.9+3.2=0.64-0.22=
7.1-0.3=5.6+1.2=23.9-5=0.53+0.02=
二、笔算。
9.38+0.18=83.25+9.45=7.46-2.45=67+14.4=
8.5+1.35=44.13+5.21=4.68+0.9=26.89+9.42=
5.83+0.42=52.73-2=7.33-5.94=90.6-17.8=
8.15+4.21=92.22+3.91=5.44+0.04=43.77-9.52=
一、口算。
1.9-0.3=1.2+5.6=77.3-9=0.79+0.09=
2-0.7=6.7-4.9=7.4-5.8=0.75-0.29=
2.3-0.7=6.9+9.2=94.7-1=0.98-0.38=
1.1-0.5=7.7-2.6=8.6-4.5=0.95+0.1=
8.9-0.6=5.3+1.3=52.5+1=0.73+0.27=
二、笔算。
6.81-0.37=44.86+7.41=7.85-4.2=91.3+14.5=
8.77-2.99=72.9+6.11=5.28+0.38=77.54-3.61=
2.16+0.96=31.36+5.19=7.77+1.51=83.7-3.8=
8.36-1.19=54.73+1.21=3.85-0.94=92.25-9.93=
一、口算。
8+0.4=4.4+3.2=98.9+2=0.63+0.3=
2.5+0.9=8.5-4.8=8+0.9=0.55+0.24=
2.4+0.2=4.5+8.2=29.9-2=0.57+0.47=
6.1-0.8=6.4+4.2=6.8-0.6=0.5+0.4=
6.2-0.7=9.9+1.4=37.5-2=0.59-0.1=
二、笔算。
9.48+0.35=93.08+9.38=9.97+5.81=61.7-41.2=
9.74-4.29=39.86+1.86=7.66-0.54=61.1-4.36=
1.81+0.78=40-8.7=8.05+3.84=98+30.6=
9.09+1.52=17.1-3.11=2.83+0.44=27.18+2.93=
一、口算。
7.6+0.5=5.4+4.9=86.4-6=0.59+0.1=
6.3-0.6=9.8+0.2=6.7-3.3=0.92+0.2=
4.3+0.3=7.4+9.8=35.7+7=0.64-0.15=
5.4-0.8=7.8-4.9=8.4+1.5=0.83-0.48=
7.1+0.1=7.7+0.4=21.5-7=0.87-0.19=
二、笔算。
4.07+0.3=50.78+5.49=9.6+5.51=50.8-18.8=
8.71+1.23=28.47-9.94=1.16+0.95=39.69+8.21=
9.77-0.81=69.69+5.41=9.47-1.85=60.5+37.9=
7.84+2.7=13.72-4.26=7.26+0.55=68.06+8.78=
一、口算。
2.9-0.8=2.2+9.3=85.7-8=0.89-0.45=
1.2-0.7=8.4-2.4=6.6-5=0.81-0.26=
6.8-0.9=3.6+5.8=70.3+9=0.97-0.46=
5.8-0.5=5.9+2.3=7.7-5.6=0.97+0.31=
8.6+0.7=1.2+6.7=29.7-1=0.72+0.17=
二、笔算。
4.73+0.92=94.6+3.06=8.8+3.8=57.5+40.1=
8.05+5.28=16.47-4.02=3.42+0.07=42.37+6.67=
3.53+0.11=51.49+3.67=9.81-5.96=90.6+23.2=
9.13+4.59=18.48-8.44=9.07-0.32=61.51+1.69=
一、口算。
7.6+0.1=7.2+6.3=27.5+8=0.92-0.31=
5.6-0.3=7.5+1.4=6.1+5.7=0.55+0.4=
4.5-0.4=7.6+1.5=62.7-7=0.69+0.37=
7.4-0.5=8.2-1=6-3.4=0.63-0.3=
5.2+0.7=4.2+5.2=15.3+5=0.54-0.39=
二、笔算。
8.44+0.83=73.16+6.08=9.06+1.66=96.9+22.8=
8.09+6.35=45.91-8.02=7.52-0.66=13.17-8.19=
8.09+0.03=52.51+3.06=9.62-3.1=99-11.8=
9.83+6=87.7+9.03=9.62-0.82=68.71+8.71=
一、口算。
7.1+0.6=0.3+0.8=39.8-7=0.9+0.26=
3.6-0.7=6.9-4.2=7+0.5=0.73-0.24=
1.2-0.4=3.6+5.7=17.3-7=0.67+0.26=
6.8+0.2=6.1-1.8=8.8+2.9=0.85-0.12=
3.9-0.8=1.6+5.3=42.4+6=0.52-0.49=
二、笔算。
5.82-0.95=10.66-9.74=8.99+4.96=99.5+24.3=
7.62+6.78=25.48-9.51=5.14+0.58=48.54+8.3=
3.54+0.1=28.56+2.74=7.09+2.42=87.2+43.7=
7.36-1.44=28.49+6.71=7.75+0.71=17.57-6.16=
一、口算。
5.2-0.4=0.1+1.1=80.3+1=0.93-0.27=
8.8-0.9=9.6-3.5=7-0.1=0.83-0.45=
3.5-0.7=7.4+8=42.1+1=0.7+0.47=
8.8+0.7=5+2.9=6.2-1.1=0.98-0.4=
6.2-0.3=1.5+6=87.5-5=0.88-0.11=
二、笔算。
6.81-0.97=38.75+9.88=9.81+1.04=70.4-24.9=
9.1+1.86=90.68-3.52=7.91-0.51=87.57-3.4=
8.43+0.13=16.46+9.09=8.2-1.63=85.8-15.5=
7.5+5.39=46.47-4.21=9.5-0.88=30.27-5.9=
一、口算。
6.3+0.9=7.6+9.6=34.9+6=0.98-0.01=
4.6+0.2=6.2-3.7=9.1-2.6=0.9+0.35=
2.4+0.4=5+6.5=97.1-2=0.51+0.37=
7.7-0.7=6.5-4.5=7.5-0.2=0.76+0.04=
7.8-0.5=9.1+3.6=19.5-6=0.97-0.01=
二、笔算。
7.96+0.92=45.71-1.52=9.86-1.62=65-38.3=
7.87+2.55=62.13+1.28=6.81+0.03=62.86+1.29=
6.61+0.39=86.76+6.8=9.35+6.14=99.5+16.4=
9.52+2.15=23.97-7.38=2.9-0.13=43.66-6.18=
一、口算。
4.3+0.2=0.6+3=38.7-8=0.83-0.22=
2.1+0.8=7.2+0.4=9.5+5.3=0.9-0.22=
1.6-0.5=2.5+3.3=48.1+4=0.85-0.33=
8.1-0.7=5.1-4.4=6.2-2.2=0.74+0.34=
1.8+0.7=5.1+3.7=87.6+2=0.77+0.41=
二、笔算。
6.99+0.45=52.89+4.41=9.18+2.24=63.2+8.3=
7.34-2.18=72.41+4.69=1.18+0.57=66.28+7.61=
8.43+0.63=11.62-5.61=9.4-3.5=58.5+15.6=
8.53+5.48=22.6+6=1.42+0.69=18.07-6.19=
一、口算。
2.8+0.5=8+0.7=82.2+1=0.67-0.43=
9+0.1=5.7+4.9=9.6+5.4=0.98+0.25=
4.9+0.9=6.9+3.2=54.7-3=0.87-0.42=
2.7+0.7=9.8+4.3=8.4+3.6=0.65-0.04=
4.9-0.4=0.9+4.7=18.1-1=0.59-0.48=
二、笔算。
5.62+0.98=41.33+1.47=7.4+6.57=76.6-40.2=
7.89-6.81=31.76-8.27=8.93-0.48=87.67-3.6=
1.31-0.61=92.31+3.72=7.61-1.1=74.7-10.7=
7.7+2.23=95.45+1.89=3.67+0.14=27.53-6.44=
一、口算。
4.2+0.1=6.5+9.3=98.6+4=0.92-0.02=
6.3+0.8=6.1+2.9=8.8-4.1=0.85+0.38=
1.1-0.7=7.9+2.4=77.7+4=0.71+0.06=
6.7-0.7=5.4-4.9=6.6-3.1=0.96-0.4=
3.1-0.3=3.5+8.5=30.9-6=0.91-0.24=
二、笔算。
9.52-0.41=51.22-4.99=7.78+2.42=83.1-27.5=
9.58+2.57=34.85+1.6=7.06+0.21=13.52-2.32=
9.41-0.83=40.56-1.66=9.98-6.92=88.5+1.1=
7.6+2.71=84.8-5.84=7.67-0.75=