人教版四年级数学下册小数加减法混合运算专项练习题153.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153.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153
一、口算。
1.5-0.4=8.5+0.1=0.72-0.41=8.4-0.5=
6-0.3=8.3+1.3=0.81-0.47=5.9-0.1=
3.1-0.4=6.3-2.8=0.8-0.08=4.2+0.8=
6.2-0.1=7.3+0.6=0.77+0.25=7.1-0.1=
4.9+0.2=7.8-3.5=0.7+0.07=8.9-0.1=
1.7-0.4=8.8-4.5=0.88+0.09=6.7-0.6=
4.3+0.6=8-4.3=0.6+0.27=6.6+0.5=
1.5+0.7=6-2.9=0.77+0.25=8.2-0.5=
二、混合运算。
0.68+0.27+5.98.6-0.69-1.3152.1-23.3-25.7
77.5-12.79+69.9573.4-47.19+14.599.65+5.06+3.98
30-(7.18-0.31)86.2-(22.5-5.6)9.78+4.32+2.26
一、口算。
2.2-0.1=8.3-0.8=0.77-0.06=3.3-0.8=
5.6-0.5=7.9-0.2=0.78+0.23=1.1+0.5=
8.6+0.6=6+2.4=0.69+0.33=5+0.5=
8.4+0.9=6.8+1.7=0.83-0.17=6.2+0.5=
3.2+0.5=9-2.3=0.84-0.31=3.3-0.7=
5.1+0.7=6.4-1.5=0.84+0.08=4.1-0.9=
2.7+0.5=8.6+1.8=0.88-0.08=1.5-0.5=
3.3-0.1=8.2+4.7=0.67-0.33=6+0.9=
二、混合运算。
0.63-0.18+1.38.2-0.56-4.4459.3-42.4-10.4
75.88-45.56+40.4881.08+20.85+83.25.01+3.39-1.13
90-(7.69-0.29)70.4-(14.9-9.4)9.67+6.4-3.2
一、口算。
3+0.1=6.6-3.4=0.71-0.49=1.2+0.6=
7.8-0.5=7.3-3.1=0.89-0.14=8+0.1=
6.4+0.3=6.6-0.5=0.79+0.49=7.1-0.8=
8.9+0.9=8.8+4.3=0.89+0.48=2.5-0.1=
8.8+0.5=8.1+2.2=0.8-0.04=4.2-0.1=
7.8-0.7=6.4-0.7=0.75+0.39=2.8+0.9=
6-0.8=6.5+1.9=0.72-0.26=5.6+0.7=
1.4-0.5=6.3+2.8=0.81-0.03=6+0.4=
二、混合运算。
0.65-0.33+8.28.9-0.17-3.8372+44.1-27.3
65.54+18.59+58.8779.19-16.27+42.586.01-4.31-1.68
60-(1.57-0.56)89.5+(21.5-2.8)8.68-1.31+4.17
一、口算。
2.9-0.4=6.3-0.1=0.7+0.45=5.5+0.3=
3.9+0.1=7.7+2=0.67-0.24=6.9+0.3=
1.4+0.6=8.5+4.4=0.82+0.37=5.8+0.1=
8.4+0.9=8+0.1=0.89-0.47=2.5-0.7=
4.8+0.4=9-0.1=0.69+0.16=3.2-0.2=
1.7-0.4=6.2-0.7=0.71+0.29=4.2-0.2=
8.2-0.9=7.5-0.9=0.72+0.39=3.1-0.1=
6.3-0.4=8.7+4.2=0.79-0.49=7.6-0.8=
二、混合运算。
0.64+0.22+0.69-0.6-3.455.1-15.4+30.8
78.99+25.28+54.2365.1+34.59+11.984.83+1.7+2.39
40-(4.14-0.14)86.7-(10.7-3.7)3.69+1.83+1.27
一、口算。
8.5+0.7=7.8+3.4=0.89+0.3=5.8+0.3=
4.2+0.8=8.3-4.6=0.68+0.01=2.9-0.4=
6.8-0.9=6.4-3.2=0.89+0.33=1-0.2=
6.6-0.6=6.2+0.6=0.66-0.3=3.1+0.9=
8.5-0.9=7.7-1.1=0.62-0.01=5.9-0.5=
5.1+0.7=7.9-3.4=0.88-0.2=5.8-0.3=
3.4+0.5=8.4+3=0.76-0.18=1.6+0.7=
3.2-0.7=6.2-3.1=0.67+0.3=6.7+0.7=
二、混合运算。
0.69+0.38+6.35.2-0.3-1.770.8-50.4-15.3
64.21+13.94+19.1960.54+14.16+53.155.38-3.12+1.65
50-(7.23+0.67)61.6+(27.6-8.8)4.23-1.77+1.98
一、口算。
5.7-0.4=8.8-3.5=0.75-0.14=7.8-0.2=
3.1-0.3=8.2-1.7=0.69+0.45=2-0.6=
2.9+0.1=8.4-3.1=0.73-0.24=8.2-0.4=
7.9-0.4=7.5-0.7=0.66+0.31=2.9+0.1=
2.8-0.3=7.7-0.6=0.68-0.01=7.4-0.8=
7.8+0.9=8.4-0.4=0.85+0.17=5.9+0.1=
6.8-0.5=6.2-2.1=0.79+0.36=2.2+0.7=
2.7+0.1=8.4+1.1=0.9-0.03=2.2-0.1=
二、混合运算。
0.65-0.03+4.58.6-0.18-1.8246.7+23.8-17.9
84.7-46.21+17.3487.88+43.94+80.317.83-5.8-1.06
80-(7.36-0.78)68-(21.1+2.7)8.6-2.82-2.46
一、口算。
5.9+0.9=8.1+1.1=0.76-0.21=4.2-0.1=
3+0.1=8.3+1.8=0.81+0.17=2.6-0.9=
2.4+0.5=8-1.7=0.61-0.47=1.1-0.9=
1.1+0.5=8.9+3=0.65+0.08=1.1-0.4=
8.7+0.7=6.6-3.9=0.83-0.33=1.3+0.3=
6.4-0.6=7-0.3=0.76-0.34=3.1-0.3=
6+0.5=6.2+4.7=0.72-0.23=4.9-0.6=
6.9+0.8=7.3+0.2=0.77+0.41=3.2-0.5=
二、混合运算。
0.64-0.4+0.55.7-0.72-0.2853.7-27.8+15
66.29+11.19+90.9977.96+41.58+90.946.78-4.75-1.62
60-(8.93+0.84)72.4+(13.3-8.4)5.92+2.86+1.76
一、口算。
8.1-0.8=7.3-2=0.63+0.47=4.2-0.5=
1.2-0.4=7.5+2.9=0.61+0.17=3.3-0.5=
6.6-0.4=8.3-4.8=0.79+0.41=4.9+0.6=
2.9-0.7=8.5-1.9=0.7-0.25=7.2-0.4=
2.4-0.3=6.3+2.3=0.8-0.2=2.7-0.6=
2-0.5=8.5+3.4=0.84+0.23=7.5-0.7=
6.9-0.9=8.1-3.4=0.69+0.01=2.3+0.4=
1.5-0.5=6.6-4.2=0.87+0.14=3.4-0.2=
二、混合运算。
0.87+0.43+79.2-0.68-4.3258.4-19.4+23.2
83.98-36.37+28.4564.8-31.52+98.593.73-1.73-1.32
20-(8.37+0.99)83-(27.1+7.3)8.42+3.64-4.11
一、口算。
1.5-0.9=6.7+4.5=0.82-0.41=5.8-0.8=
3.3-0.1=7.8-2.9=0.7-0.34=6.9-0.9=
1.9-0.5=8.8-4=0.89-0.28=5.1-0.9=
3.9+0.3=7.6+0.5=0.84-0.26=2.1+0.7=
5.9+0.9=7.3-2.4=0.62-0.41=4.7+0.2=
8.8+0.2=8.2-0.2=0.83-0.25=7.2-0.8=
6.2+0.9=8.5-1.8=0.75-0.3=5.4+0.4=
8.9+0.2=8.3+1.9=0.7-0.1=6.8-0.8=
二、混合运算。
0.71-0.2+1.66.1-0.51-1.4970.4+25.8+42.1
74.8+11.79+72.6475.19-38.48+76.594.05-1.69-2.28
20-(2.77-0.31)60+(12.8-6.8)4.66+2.52+2.05
一、口算。
6.4-0.1=6.5-1.2=0.89-0.07=2+0.7=
1.8+0.5=6.9-4.8=0.79+0.27=8.5+0.1=
5.9+0.8=6.8-4.1=0.78+0.4=2.6+0.7=
5.8-0.8=8.2+4.1=0.64+0.46=7.7-0.1=
1.6+0.4=9-0.6=0.86-0.22=6.3+0.6=
8.4+0.5=8.2+2.5=0.83-0.3=1+0.8=
7.6-0.1=6.1+3.5=0.66+0.36=7.3+0.9=
6.1-0.8=7-1.6=0.64-0.21=2+0.8=
二、混合运算。
0.73+0.25+2.66.6-0.77-3.2390.3-28.6-34.5
74.57-25.99+40.9386.19+28.01+93.718.59+6.22-1.55
30-(4.52-0.34)70.2+(17.6+6.9)4.7-2.43+2.18
一、口算。
2.9+0.8=8.1-2.5=0.6+0.4=4.1+0.4=
8.9-0.9=6.6-1.3=0.61-0.24=8.2+0.3=
6.8+0.5=6.2-3.2=0.61-0.38=5.7-0.7=
4.6+0.1=9+1.5=0.75+0.2=3.5+0.7=
2.8+0.4=8.4+4.3=0.8-0.2=1-0.1=
8.1+0.2=7+4.8=0.77+0.02=7.6-0.9=
5.1+0.5=8.3-0.8=0.73+0.29=2+0.3=
8.9-0.3=7.8-2.6=0.85-0.25=3.7-0.8=
二、混合运算。
0.62+0.2+7.46.9-0.16-1.8438.4+12.1-16
65.6-43.17+97.6571.29-24.64+31.94.17+2.19-1.04
40-(6.78+0.11)82.6-(26.3-1.5)9.04+7.47+1.28
一、口算。
5.5+0.9=8+1.9=0.71-0.44=5-0.2=
8.3+0.4=8.6-4.4=0.81+0.03=2.8+0.2=
5.8+0.5=7.3-4.1=0.67+0.42=8-0.8=
7.1-0.2=8.6-4.7=0.8+0.3=7.7-0.3=
2.4-0.3=7.1-3.5=0.71+0.38=6.7+0.4=
2-0.2=6.2-2.6=0.73-0.11=5.8-0.9=
5.3+0.1=8.6-4.5=0.74+0.39=4.9+0.5=
8.6+0.4=6.6+0.4=0.64+0.47=7.8+0.5=
二、混合运算。
0.67+0.12+5.37.1-0.76-4.2457.4+37.6+11.8
74.95-28.6+58.385.94+13.12+86.766.99-5-1.33
20-(2.24-0.7)70.9+(17.8-4.2)9.43+5.01+1.87
一、口算。
2.9+0.7=8.2+2.9=0.66-0.46=6.6+0.2=
7.4+0.5=6+1.6=0.64-0.49=1.1+0.2=
4.9-0.8=6-4.6=0.63-0.14=2.8-0.8=
4+0.7=7.4+3.4=0.73-0.02=5-0.5=
7.1-0.9=8.3-3.1=0.74-0.16=4.1+0.5=
4.3-0.7=7.9+0.4=0.71-0.32=4.6-0.4=
4.4+0.9=8.3+4.4=0.81-0.02=2.2-0.2=
2.3+0.1=8.2+1.5=0.75-0.02=3.6+0.4=
二、混合运算。
0.7-0.44+8.59.9-0.55-0.4553.4+38+11.4
78.71-18.68+41.2381.3-41.66+19.385.17-2.93-1.79
70-(1.82+0.78)70.8-(28.9-7.7)4.48-2.87+1.34
一、口算。
7.9-0.6=7.4+0.6=0.88+0.03=5.9+0.9=
1.9-0.7=6.9-1.5=0.63-0.2=1.8-0.3=
5+0.4=8+3.7=0.9-0.35=8.4+0.7=
3.3+0.1=7.6+1.5=0.9+0.18=7.4+0.5=
2.5+0.3=6.8-1.8=0.74+0.4=4.6-0.9=
2.5+0.3=6.9-3.8=0.63+0.45=5.8-0.5=
4.9+0.5=7.7+3.4=0.66+0.02=5-0.2=
7.9-0.3=8.3-4.8=0.64+0.49=7+0.7=
二、混合运算。
0.9-0.11+2.25.8-0.84-1.1681.2-19.3-35.3
64.51-38.45+36.1583.36+10.91+80.576.17+2.66+1.05
60-(2.82+0.67)92-(17.2-9.2)5.02+2.85+1.44
一、口算。
3.9+0.5=8.7-4.2=0.61-0.33=3.6-0.5=
3.8-0.1=6.9+3.5=0.81-0.48=6.3-0.9=
2.8+0.6=8.6+2.6=0.65+0.15=3.4-0.5=
2.3-0.4=8.2+2.7=0.86-0.35=1.2+0.6=
3-0.3=6.5-3.4=0.76-0.22=1.1-0.2=
5.6-0.7=8.1-0.3=0.63-0.16=1.9+0.7=
7.8-0.4=8.1+0.1=0.8+0.07=5.6-0.8=
8.9+0.3=6.7+0.6=0.84+0.44=6.9+0.3=
二、混合运算。
0.69-0.32+0.28.8-0.56-2.4470.8+41.8-21.1
88.08+14.9+87.2788.46-33+28.78.5-4.76-3.06
90-(9.97-0.36)84.3+(23.6-1.8)5.48+1.21+1.33
一、口算。
3.4-0.4=7+4=0.81+0.06=4.1-0.9=
8.4-0.3=7.7+4.6=0.66-0.06=3.6+0.3=
4.5+0.6=8.5+2.5=0.83-0.05=8.2-0.6=
4.2+0.3=6.8-0.6=0.88-0.38=8-0.8=
2.8-0.2=7.5-3.3=0.61-0.02=7.6-0.2=
1.5+0.1=8.2+3.9=0.64-0.28=5.9-0.3=
3.9-0.3=7.8+1.9=0.74+0.2=3.9+0.6=
3.6+0.3=6.8-1.9=0.64+0.12=1.9+0.2=
二、混合运算。
0.72-0.03+8.77.1-0.35-0.6572.6+11.7+39.7
80.44-44.56+29.9188.65+41.06+33.454.67-1.35+1.76
80-(6.86-0.76)66.4+(15+2.5)7.81+4.06-1.98
一、口算。
5-0.6=6.7-0.1=0.7+0.47=6.9+0.3=
1.1-0.8=6-1.8=0.76-0.15=6-0.2=
7.9+0.6=6.5+0.5=0.79-0.49=7.2+0.2=
3.1-0.6=6.8-0.5=0.78-0.06=8.7-0.4=
4.2+0.2=7.9+4.5=0.87-0.21=5.2-0.1=
3.9-0.7=8.8+2.7=0.7-0.05=4.4+0.6=
2.6+0.7=7+1.5=0.71-0.04=1.6-0.5=
4.9-0.9=7.5+0.7=0.85-0.18=2.5+0.6=
二、混合运算。
0.67+0.23+8.49-0.51-0.4937.4-10.1+15.6
71.54-43.03+72.7768.77+31.22+42.798.07-2.82+3.35
40-(8.74-0.79)95.7+(23.9-7.1)6.73-4.47+1.02
一、口算。
2.4-0.3=8.6+4.7=0.66-0.35=2+0.3=
8.6+0.5=7.9+3=0.63+0.17=7.9-0.6=
2.8-0.7=7.7-0.4=0.7
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