人教版四年级数学下册小数加减法混合运算专项练习题152.docx
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人教版四年级数学下册小数加减法混合运算专项练习题152.docx
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人教版四年级数学下册小数加减法混合运算专项练习题152
一、口算。
4.1-0.5=8.5-1.6=0.79+0.2=6.2+0.7=
8.8-0.9=7.5-0.3=0.76+0.09=6.7+0.1=
1.3+0.9=6.2-4.6=0.9+0.45=3.8+0.7=
4.1+0.8=7.6+0.2=0.75+0.01=2-0.3=
8.3+0.4=8.3+4.1=0.78+0.02=7-0.2=
7.1-0.5=6.9-4.4=0.78+0.07=4.6+0.6=
6.8+0.9=7+3.5=0.89+0.19=6.4-0.9=
2.1+0.2=8.4+1.5=0.7-0.3=5.9-0.9=
二、混合运算。
0.76+0.23+65.5-0.78-2.2236.4-11.4-23
89.96+33.8+92.9467.44-48.15+99.678.78+5.92+1.41
90-(9.7-0.61)94.6-(22.9+9.4)8.59+4.45-1.79
一、口算。
1.2-0.7=8.5-2.5=0.7-0.42=6.6-0.3=
8.9-0.6=8.8+3.7=0.78+0.16=8.3-0.9=
6.8+0.5=7.7-2.7=0.71-0.33=2.9-0.4=
3.7+0.2=7.1-3.7=0.81+0.17=4.1+0.3=
7.9-0.4=8.8-0.1=0.78-0.33=7.7-0.8=
6.3-0.3=8+0.4=0.84+0.41=3-0.1=
2.2+0.6=7.7+1.2=0.86+0.47=3.2-0.8=
7.7-0.2=8.6-1.8=0.65+0.21=8.7+0.8=
二、混合运算。
0.77+0.14+2.75.4-0.74-2.2670.4+12.3-12.1
69.44+47.7+82.3469.78-19.42+41.966.74+1.59-4.64
20-(2.97+0.6)97-(23.7-8.7)8.16+5.28+2.68
一、口算。
4.3+0.7=7.9-2.4=0.89-0.2=6.1-0.1=
3.5-0.8=9+3.1=0.85+0.06=1.7-0.8=
3.2-0.6=7.4-1.4=0.83-0.15=8.5+0.4=
6.8-0.3=6.4+3.1=0.64+0.42=8.5-0.7=
7.5+0.2=7.9+3.9=0.67-0.16=3.8+0.6=
2.7-0.7=7.1-4.3=0.65+0.09=2+0.6=
3.8-0.4=8.5-0.9=0.84-0.2=3.4-0.5=
7.8-0.7=6-2.9=0.72+0.26=3+0.2=
二、混合运算。
0.77+0.38+7.68.6-0.67-2.3384.7-31.4-11.4
89.7+46.03+46.9165.43+37.11+89.748.15+3.99+1.46
30-(5.99+0.87)85.1+(10.1+3.8)9.1-1.21-2.37
一、口算。
9-0.7=7.7+3.7=0.89-0.44=8.1+0.4=
4.8-0.1=8.5-2.1=0.81+0.16=2.4-0.5=
2.9-0.8=6.3-2.8=0.66-0.3=5.7+0.5=
3-0.5=8.3-2=0.9-0.23=4.2+0.7=
3.5-0.5=6.9+1.7=0.64-0.44=2.2-0.4=
6.3-0.5=7.6+0.7=0.68-0.01=5.5+0.1=
1.7-0.3=6.2+1.1=0.75+0.11=7.3+0.3=
6.9-0.7=7-4.4=0.62-0.25=7.2-0.6=
二、混合运算。
0.81-0.29+5.57.2-0.25-2.7583.3+36.3+18.1
63.19-36.53+77.1471.68-12.21+79.895.07+3.37-1.48
80-(9.05-0.57)79.6+(13.5+7.3)4.93+1.33+2.01
一、口算。
3.8-0.5=6.7+4.6=0.8-0.42=1.4+0.4=
4-0.7=7.7+1=0.65-0.17=5.2-0.4=
2.6-0.5=6.5-4.7=0.87+0.34=3.6-0.9=
8.1-0.7=6.6-2.5=0.88-0.1=5.8+0.9=
6.4-0.4=8.8-4.3=0.9+0.09=6.7+0.2=
8.3-0.3=9+2.6=0.77-0.37=8.8-0.6=
4.5-0.1=7.2-2.4=0.79+0.22=4.5-0.3=
1+0.8=8.6+3=0.61-0.39=3.9-0.8=
二、混合运算。
0.7+0.03+3.65.1-0.79-0.2158.2-17.7-15.3
76.06-19.35+22.0487.01+46.18+18.115.32-2.27+2.3
50-(8.02+0.22)78.9-(16.7-1.9)7.35+3.35-1.77
一、口算。
2+0.3=7.3-3.6=0.68-0.11=8.1+0.9=
1+0.3=8.6-4.1=0.85+0.23=7.7-0.3=
7.4-0.4=6.8+3.3=0.61+0.21=6.6+0.1=
6.3+0.5=8.6-1.1=0.64+0.31=1.6-0.7=
8.6+0.3=6.8-1.6=0.71-0.35=3.3-0.5=
3.8+0.7=7.4-4=0.64+0.13=8.6-0.6=
6.5-0.3=7.5+3.4=0.63+0.29=4.6+0.7=
2.4+0.9=8.8+3.6=0.77-0.24=8.5+0.8=
二、混合运算。
0.74+0.05+4.16.2-0.27-2.7370.8-43.4-24.6
77.04+32.42+78.5685.85-41.33+22.884.98-1.11+2.19
30-(7.32-0.99)98.5-(12.1-9.9)8.14-6.44-1.28
一、口算。
2.8-0.3=7.5+3=0.88-0.27=7.2-0.8=
6-0.7=7.6+2.6=0.87-0.42=6.3-0.6=
5.7-0.4=8.7+1.7=0.68-0.28=5.3+0.9=
5.5-0.7=8.1-1.7=0.6-0.26=1.1+0.3=
2.1-0.7=7.5-4.9=0.7+0.14=1.7-0.6=
6.3+0.7=7.8-2.7=0.68+0.11=7+0.9=
1.8+0.3=6.4-2.3=0.87-0.23=5.8-0.1=
1.8-0.4=6.7-4.2=0.82+0.28=5.5+0.1=
二、混合运算。
0.75-0.44+1.46.5-0.13-1.8753.8-13.6+28.5
85-47.35+39.3668.53-26.39+30.993.6+2.08+1.39
20-(6.07-0.71)82.7+(10.4-3.7)3.84-1.1-1.45
一、口算。
9+0.1=6.1-1=0.79-0.08=1.8-0.4=
8.9-0.2=6.1-0.9=0.81-0.29=7.4-0.2=
4.8+0.9=8.4+3.7=0.73-0.27=5.9+0.2=
6.3+0.2=7.7+4.2=0.73-0.45=8.6-0.9=
8.3+0.1=9+1.3=0.73-0.33=5.5-0.6=
1.9-0.2=7.1+2.1=0.7-0.12=3+0.8=
2.1-0.4=6.9+1=0.82+0.31=4.8-0.5=
5.3+0.6=6.6+1.2=0.62-0.13=6.1+0.2=
二、混合运算。
0.62+0.31+5.46.5-0.75-2.2566.5+20.3-30.7
83.82+32.96+38.8384.74+16.48+64.025.99-2.5-3.4
90-(3.42-0.84)68.4-(29.6+8.7)7.91-6.03+1.82
一、口算。
7.1-0.2=7.3-2.8=0.87-0.34=2.7+0.9=
5.5-0.9=7.1+2.8=0.86-0.47=3.8-0.9=
2.9-0.2=8.9+0.8=0.77+0.29=8.3+0.2=
3.3-0.4=7.4+3.9=0.84-0.04=8.4-0.9=
5.7+0.8=8.4-4.2=0.76+0.03=4.9+0.5=
7.2+0.5=7+1.9=0.69-0.1=5.3-0.7=
8.9-0.4=8-3.3=0.63+0.43=7.9+0.3=
5.4+0.6=7.4+3=0.62+0.06=2.1+0.7=
二、混合运算。
0.67+0.02+0.76.3-0.89-1.1157.4+21.9-27.5
60.71+23.42+64.972.31+13.78+16.85.23+3.17+1.5
30-(5.35+0.92)73.6-(22.9+6.3)7.39+4.79+1.49
一、口算。
1.5-0.5=8.8-0.6=0.89+0.13=2.2-0.7=
4.9+0.1=8.7-4=0.68-0.22=1.4-0.2=
5.5-0.2=8.8-1.7=0.86-0.17=7.6+0.1=
2.6-0.2=6.8-1.8=0.81+0.2=2.7-0.9=
6+0.8=6.2-1=0.83+0.38=2.2+0.6=
1.7-0.8=6.4-1.3=0.87+0.33=5.3-0.2=
5-0.6=9-2.4=0.74-0.12=7.4+0.4=
4.4-0.2=7.5-2.2=0.71-0.3=7.1+0.1=
二、混合运算。
0.68-0.04+0.75.3-0.84-0.1685.1-59-24.9
83.67-14.13+15.0882.5+31.04+64.147.77+5.9+1.03
70-(1.19+0.56)63.3-(10.5-6.3)5.04-2.1+1.56
一、口算。
1-0.2=7.6+1.2=0.63+0.29=4.6-0.2=
8.3-0.5=8.3+0.3=0.67+0.03=1.1+0.7=
1.1-0.1=8.9-1.8=0.68+0.2=3.5-0.6=
1.1-0.3=6.1+1.8=0.66+0.39=4.2-0.5=
6.3+0.7=7.8+1.3=0.9+0.37=5.6+0.3=
5.1-0.1=8.4+4.7=0.9-0.33=8.5+0.5=
7.5-0.9=7.9-3.6=0.65-0.29=3.5+0.2=
1.4+0.9=6.1-2.2=0.8-0.29=1.6+0.4=
二、混合运算。
0.72-0.34+4.18.6-0.31-1.6963.3-40.3+21.7
75.64+28.03+82.7865.36+25.55+79.856.31-4.79-1.52
60-(3.43+0.54)77.9+(14+4.5)5.55+2.89-2.2
一、口算。
8.6+0.4=7.7-4.9=0.83+0.26=1.2+0.2=
6.5-0.7=8.1+2.3=0.8+0.47=4.9+0.1=
6.8-0.4=7.7+1=0.72-0.06=2.1+0.9=
1.4+0.3=7.3+4.3=0.82-0.44=3.5-0.6=
3.2-0.9=6.4-2.4=0.75-0.39=1-0.9=
3.9+0.6=7.9-3.7=0.64+0.16=5.6-0.9=
5.9-0.8=6.2+0.5=0.76+0.03=3.8-0.3=
1.7-0.3=6.2-3.2=0.63+0.3=5.3-0.8=
二、混合运算。
0.79-0.09+9.78.8-0.1-3.935.3-12-16.7
73.02-17.09+88.3686.99+11.99+53.266.04+3.05+2.79
90-(3.27+0.32)75.7+(10.4-3.4)4.72-2.86-1.34
一、口算。
2+0.6=6.1+0.3=0.83-0.17=8.9+0.3=
5.1+0.2=6.3-4.4=0.89-0.16=5.5-0.2=
3.5-0.2=6+4.6=0.88+0.28=5.7-0.5=
5.6+0.1=6.5+2.5=0.75-0.42=7.5+0.9=
5.1-0.1=7.3-1.2=0.64-0.45=7.5-0.8=
6.3-0.5=7.5-1.5=0.79+0.47=5.8+0.3=
3.7+0.5=6.7+2.2=0.6+0.39=2.8-0.5=
6.5+0.6=6.2+4.5=0.77+0.43=3.6-0.8=
二、混合运算。
0.82+0.37+6.29.6-0.38-3.6298.5-14.7+39.8
76.98+40.18+84.2675.06+28.76+70.775.65+2.26+3.1
90-(8.61+0.65)72+(17.7+9.3)8.78-7.02-1.44
一、口算。
1.9-0.3=6.7+0.6=0.69+0.06=3.8+0.3=
7.6-0.6=7.1-1.9=0.63-0.07=6.7+0.4=
2.9-0.7=6.1-1.2=0.89-0.21=2.1-0.7=
5.5+0.6=8.2+2.8=0.62-0.39=4.9-0.5=
7-0.3=8.1-3.5=0.86+0.08=5.7-0.8=
2.3+0.9=8.2-1.6=0.67-0.31=1.2-0.8=
8.8+0.1=6.5+1.5=0.8-0.11=5.9+0.5=
4.4-0.4=7.7+1.3=0.66+0.19=9-0.5=
二、混合运算。
0.9-0.11+5.97.6-0.35-1.6538.2+21.7+16.1
61.19+40.67+36.2681.59+37.64+62.796.72-2.56+2.21
20-(2.25+0.15)91.7+(12.4+9)7.56-2.91+3.93
一、口算。
1.7+0.9=7.8+4=0.72+0.1=7.8+0.7=
8.5+0.8=6.5-1=0.76-0.43=3.1-0.3=
7.1-0.8=7.9-2.2=0.77+0.48=6.1+0.5=
1+0.9=6.6+2.5=0.72+0.27=4.5+0.7=
4.2-0.5=6.3+0.3=0.88-0.35=2.6-0.2=
2.2-0.9=7.7+2.5=0.67+0.36=8+0.2=
3.4+0.5=6.1+3.1=0.68-0.26=4.6-0.8=
8.5-0.1=6.4-1=0.82-0.01=6.7+0.9=
二、混合运算。
0.7+0.38+1.77.1-0.63-0.3779.8-44.7-32.6
78.92-38.45+40.1366.09-41.93+39.799.57-1.43+2.64
70-(4.72+0.93)66.2+(20.9-6.6)6.37-4.49+1.37
一、口算。
2.7+0.7=8.7-0.5=0.87+0.05=1.7+0.1=
6.1+0.1=7-1.4=0.62+0.42=1.4+0.8=
8.2-0.4=9+3.8=0.79+0.39=4.8+0.6=
4.8-0.9=7.3+1.5=0.81+0.45=5.3+0.6=
7.6+0.5=8.1+1.9=0.76-0.01=7+0.6=
7.1+0.4=8.8-2.3=0.77+0.1=5.9-0.7=
4.3-0.7=6.7-2.3=0.76-0.04=3.2-0.9=
6-0.2=8.5-0.8=0.79-0.31=9+0.6=
二、混合运算。
0.74+0.12+9.99.7-0.12-3.8879.5+10.1+44.5
61.94+31.04+91.5763.49+32.12+47.368.12-1.87+3.69
30-(2.25-0.23)81.2-(25.6-9.1)9.62-2.35+7.19
一、口算。
3.5+0.4=7.6+4.9=0.89-0.01=2.4-0.7=
7.5-0.4=7.5+3.5=0.83+0.44=6.7+0.7=
6.9-0.1=7.8-3.9=0.7+0.44=9+0.5=
5-0.4=6.6+2.6=0.84-0.32=7.9-0.8=
8.2+0.3=7+0.4=0.82+0.26=6.8-0.2=
2.5-0.9=7.6+3.2=0.84+0.21=1.2+0.7=
5.1-0.1=8.3-2.5=0.73-0.23=6+0.8=
5.1+0.1=8.5+0.2=0.6-0.24=2.2-0.7=
二、混合运算。
0.77-0.1+4.89.9-0.11-2.8947-30.9+12.6
72.84+11.02+41.180.56-35.03+59.358.69-3.99-1.27
90-(7.31-0.11)62.9-(21.1+6.1)4.1+1.94+1.42
一、口算。
8.7-0.6=6.6+3.4=0.81+0.27=5.9+0.1=
3.5-0.5=8.8+4=0.86+0.13=2.1-0.2=
2.7-0.4=8.6
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