人教版四年级数学下册小数混合运算综合练习题11.docx
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人教版四年级数学下册小数混合运算综合练习题11
一、口算。
2.5+0.6=7.4-3.6=0.68+0.24=2.3+0.4=
7.4+0.9=8.5+3.2=0.89-0.04=4.3-0.1=
8-0.4=6+3.7=0.88+0.07=5.7+0.4=
5.5-0.7=6.6+4.3=0.8+0.18=2.1-0.1=
9-0.7=8.2+2=0.66-0.14=2.2+0.6=
3.2-0.1=7.4-3.3=0.66-0.28=1.8-0.3=
2.2+0.3=6.7-1.8=0.74-0.39=8.6-0.9=
6.5+0.2=7.1+4.4=0.79-0.07=4.5-0.8=
二、混合运算。
0.75+0.44+5.67.8-0.33-2.6778.9-51.9+13.2
69.49-42.42+69.6261.01-12.95+75.748.9+5.81+2.38
70-(1.1-0.12)77.4+(14.3-8.2)7.66-2.23+1.58
一、口算。
3.4-0.7=6.2+4.7=0.6+0.39=6.4-0.9=
7.2-0.3=7.2+1.3=0.66+0.08=8.8-0.7=
8.7-0.7=8.6+3.7=0.73+0.48=5.4-0.7=
4.9+0.8=8.3+1.1=0.83-0.21=7.4+0.2=
5.4-0.1=6.1-1.9=0.76+0.4=5.1-0.7=
7.6-0.1=6-1.2=0.61+0.03=3.5+0.5=
4.7-0.6=8.7+1.1=0.77+0.04=9+0.4=
7.1+0.8=6.7+3.7=0.69-0.2=7.9+0.7=
二、混合运算。
0.71+0.05+6.79.4-0.73-1.2743.5+16.6+15.7
88.07-17.64+87.5477.51-17.41+84.145.68-2.53-2.29
70-(7.22+0.29)93.1-(18.7-8.6)6.48+1.15+3.28
一、口算。
1.2+0.8=7.5-2.4=0.84+0.02=8.8+0.2=
4.9-0.4=6.6+0.2=0.71+0.15=3.4-0.6=
1.7+0.6=6.4-0.8=0.89+0.27=5.1-0.2=
3.4+0.7=7.3-4.7=0.67+0.46=3.9+0.2=
3.6+0.6=8+2.2=0.68-0.29=5.7-0.5=
4.4-0.7=6.3+2.1=0.77-0.2=8.3+0.9=
4.2+0.7=7.5-0.7=0.85+0.15=7.8+0.4=
6.5+0.1=7.6+2.2=0.75+0.48=5+0.8=
二、混合运算。
0.67+0.28+2.59.1-0.37-0.6391.5+65.1+16.2
70.47+16.31+23.681.83+36.9+49.518.1-2.55+1.26
60-(1.99-0.84)77.7+(11-5.2)8.53-1.42+6.2
一、口算。
6.3+0.9=9+3.7=0.9+0.45=7.3+0.2=
8.3-0.8=6.5+2=0.71+0.11=8.8+0.4=
1.6-0.2=8.9-1.5=0.87-0.29=8+0.7=
6.7-0.8=9-2.3=0.67-0.35=7.7+0.8=
4.5-0.7=8.7+3.4=0.61+0.15=3.5+0.1=
7.4-0.7=7.1+2.7=0.83+0.01=6.2+0.6=
1.2+0.8=7.9+4.7=0.72-0.49=2.7+0.7=
7.1-0.2=8.8-2.4=0.69-0.42=3.9+0.4=
二、混合运算。
0.87-0.27+2.39.1-0.16-2.8489.8+59.7-28
84.91+23.91+34.6585.67+13.29+38.814.07-1.56-1.06
80-(8.29-0.93)70.1-(12.3-3.5)5.05-2.86-1.84
一、口算。
5.8-0.1=7.7+4.3=0.84-0.25=7.4-0.8=
5.2+0.8=9-1=0.7+0.19=1-0.7=
6.9+0.3=8.2+4.3=0.62+0.18=2.4+0.5=
2.4+0.8=6.1-2.2=0.79+0.39=6.5+0.6=
6.5+0.7=8.7-1.1=0.82-0.1=2.5+0.9=
3.4-0.9=7.2+3.2=0.62+0.04=2.6-0.5=
2.6-0.3=6.9+2.5=0.77+0.15=7.1-0.7=
2.2+0.1=8.1-2.6=0.71-0.12=6.8+0.7=
二、混合运算。
0.72-0.37+95.5-0.19-1.8198+58.5+27.6
86.69+15.6+34.4580.81+44.43+295.08-1.44+3.51
80-(7.39+0.55)65+(16.1+8.5)7.23-4.17+2.06
一、口算。
5.3-0.2=6+4.1=0.89+0.34=8.5-0.3=
1.7+0.5=8.1+3.2=0.6+0.47=2.5+0.2=
8.1+0.3=6.9+0.6=0.6-0.25=5.7-0.2=
9+0.1=9-1.3=0.63+0.28=8.2-0.7=
7.7+0.6=7.2+2.8=0.61+0.44=8.7-0.5=
8-0.8=8.7-4=0.73-0.19=2.3-0.9=
2.8+0.5=8.2+2.3=0.61-0.09=6.5-0.4=
4.4+0.8=6.6+4.1=0.8-0.21=8.4+0.6=
二、混合运算。
0.74-0.41+9.56.1-0.15-0.8558.7-10.3+35.2
87.83+27.67+21.2277.33-18.46+24.945.43+1.68+3.02
20-(8.2+0.69)68.6+(10.5+9.5)9.71-6.14+2.71
一、口算。
7.3+0.2=8.3+4.7=0.87+0.39=4.5-0.3=
1.1+0.7=7.1-0.9=0.87-0.44=6.2+0.9=
7+0.1=6.9-3.5=0.69-0.06=7.9-0.7=
4.5+0.9=7.7+4.7=0.61-0.01=4.6-0.3=
1.5+0.5=6.7-2.8=0.66+0.46=2.5+0.9=
4.9+0.1=8.5+2.3=0.65-0.36=1.2-0.9=
8.8-0.7=8.7-1.8=0.76+0.27=8.6-0.5=
7.4+0.8=8.1-3.8=0.83-0.01=4.6-0.1=
二、混合运算。
0.63+0.05+0.99.6-0.17-3.8375.8-41.1-12.4
78.74+14.09+33.4966.63+17.58+54.564.24-1.85+1.35
40-(2.11-0.34)68.5-(21+4.6)9.16+4.46+3
一、口算。
4.5+0.6=6.4-4.1=0.85+0.26=2.8-0.6=
2.6+0.2=8.4-1=0.7+0.37=8.5-0.8=
1.6+0.8=8.6-1.9=0.9-0.35=3+0.8=
6.3-0.6=7-2.8=0.87+0.36=7.9-0.2=
4.6+0.3=7.2+1.5=0.86+0.36=2.7-0.6=
3.4-0.9=6.4+4.8=0.79+0.07=1.8-0.3=
3.2+0.2=8+3.6=0.81-0.16=8.6+0.8=
7.5-0.2=8.4+4.3=0.75+0.02=7.4-0.6=
二、混合运算。
0.66+0.25+2.99.4-0.46-1.5467.1-44.9-17.2
76.15-10.51+80.1985.2+18.77+65.239.02-6.41-1.96
20-(6.36-0.56)60+(16.6+2.1)5.66-1.58+3.13
一、口算。
4.7+0.3=6.4-3.9=0.61+0.08=2.4+0.6=
7.3-0.3=8-3.4=0.89+0.37=9+0.1=
6.5+0.4=7.3-4.8=0.81+0.1=7.5+0.2=
2.7-0.7=6.3+3.2=0.68-0.44=2.3+0.7=
8.9-0.9=7.9-0.5=0.83+0.45=2.4-0.9=
6.1-0.3=8.1+3.4=0.78+0.18=6.1+0.4=
5.6+0.2=7.8-2.8=0.76+0.07=2.1-0.4=
6.1+0.8=7.