8.94-6.73= 8.95-0.73= 3.61-0.30= 7.78-5.15= 4.68+7.10= 9.63+6.28= 7.71-2.69= 9.91-8.74= 6.07-1.69= 5.00+6.13= 8.24-7.63= 5.21+5.49= 9.21-8.20= 6.88-0.49= 8.06-6.96= 2.76-1.02= 3.50-2.54= 0.66+9.27= 8.99-8.84= 3.18-2.65= 6.39+9.31= 4.83-1.34= 5.75-1.24= 6.77-4.79= 0.94+3.40= 3.54+7.84= 9.45-3.01= 0.09+0.87= 3.08-0.91= 5.43+4.85= 8.16+3.44=
8.38+4.25= 7.82-2.37= 7.39-7.03= 8.56-7.52= 8.10+4.19= 5.71+6.03= 2.44-1.13= 9.66-2.16= 5.81+5.11= 9.55-4.75= 7.99-1.05= 8.91-4.96= 5.28+7.95= 6.56-3.97= 6.71+1.47= 0.77+6.17= 5.96-0.59= 4.08+9.02= 8.2＋1.8= 100－35.22= 0.9－0.52= 7.8+0.22= 12.6－0.9= 0.56+0.4= 1-0.93= 5.6+99= 90-0.9= 2.3+3.6= 0.28+0.12= 7.3+2.7=
1-0.35= 5.6+2.3+0.7= 0.5+0.4= 0.9-0.3= 0.35+0.43= 2.8-1.2= 0.81-0.19= 9.7-7= 7.8+2.2= 1-0.37= 32.8＋19= 3.06＋0.2= 0.67＋1.24= 7－6.28= 8.2－0.01= 0.42＋9.5= 1.82－0.63= 4.5＋1.5= 1－0.63= 3.7＋2.5= 1.3－0.7= 2.4＋0.6= 7.5－2.8= 5.5－3.2= 1-0.2= 4.3＋1.5= 2－1.1= 3.12+5.2= 11.3－8.6= 0.59+0.22=
2－0.29= 5.4-2.5-1.4= 14.5＋9.5= 0.9－0.26= 12.6+5.3+6.4= 5.4-2.5-1.4= 2-0.35-0.65= 6.4+1.07-0.47= 1.5－0.04= 0.49+0.61= 11.7+2.3= 10-8.25= 8+0.4= 2.5+3.2= 2.4-1.7= 2.4-1.8= 0.25+0.75= 86.2+15.8= 8-2.5= 9+0.1= 1.05-0.09= 0.6+7.45= 20-19.7= 0.82+0.08= 0.56+0.4= 5.6+99= 1-0.93= 90-0.9= 0.81-0.19=
1-0.37=
16.4－(3.5+6.4)=
0.5+0.4= 0.9-0.3= 0.35+0.43= 2.8-1.2= 9.7-7= 7.8+2.2= 5.8-5= 6.7+3= 1-0.08= 7.8+2.2= 12-1.46-0.54= 5.6+2.3+0.7= 0.75×100= 0.08+1.22= 4.3×5
四年级口算练习（一） 4.8千米=( )米 3.56千克=( )克 5700米=( )千米 84平方厘米=( )平方分米 6000÷120=
2835克=( )千克 140米=( )千米 469克=( )千克 280厘米=( )米
6.3吨=( )吨( )千克 4.5米=( )厘米 39千克=( )吨 2.5 + 0.9 =
3.6 + 4.9 = 5.6 — 4.8 = 3—1.6= 3.06 + 4.4 = 8.8 + 4.5= 5.2 + 4.8 = 3—2.9= 2.1+0.2= 0.3+0.7= 3.6+1.6= 7.5-0.5= 3.7-0.9= 2.13-0.02= 3.51+0.2= 102+0.3=
1.12-1.02= 4.5-0.01= 4.3＋2.7＝ 0.75＋0.25＝ 4－0.26＝ 0.35＋2.7＝ 4.6－1.9＝ 0.83－0.3＝ 3＋0.05＝ 7.2－3.8＝ 0.07＋0.6＝ 6－0.025＝ 3.6＋6.3＝ 8.2＋1.8＝ 100－35.22＝ 0.9－0.52＝ 7.8+0.22= 12.6－0.9=
2.37+0.9 9+0.1 8-0.72
0.25+0.75 1.2-0.8 12.3+0.7 2.4-1.8 1.34+0.22 2.5+3.2 9.8-4.8 1.29-0.18 0.75＋
0.4=1.15 20＋0.78=20.78 4.8＋4.2=9 5.7－3= 2.7 4.9－1.7= 3.2 1.34＋0.8= 2.14 2－0.75=1.25 8.7＋0.03=8.73 0.2－0.09=0.11 8.5＋2.5=11 3.4－1.4=2 0.68＋0.42= 1.1 7.82－7.2=0.62 2＋9.1=11.1
0.48＋0.52=1 8.1－5.1= 3 0.78－0.24=0.54 0.8＋0.18=0.98 0.89－0.25=0.64 1－0.98=0.02 0.9＋0.1=1 1－0.8= 0.2 4.5－4=0.5 5.6＋4=9.6 5.7＋3.3= 9 10－4.4=5.6 6＋6.6=12.6 9.5－2.7=6.8 1－0.55= 0.45 3.7＋4.8=8.5 7＋3.3= 10.3 3．25＋0．75=4 2.7＋3.9=6.6 0．7＋0．9= 1.6 1－0.44＝0.56 0.9＋1= 1.09
14．6－0．4=14.2 10－0．1= 9.9 14＋0．78=14.78 3＋2.7=5.7 5－0．08= 4.92 1．64＋2．35= 34－6．22=27.78 12．6＋3．4=16 1.3＋4.3=5.6 7.2＋6.9=14.1 9.3－8.8=0.5 4.4＋15.99= 20.39 19.8－5.6=14.2 96.3－56.2 =40.1 79.2＋56.8=136 1.9+25.793=27.693 88－69.21= 18.79 1－0．3=0.7 136.5－105=31.5 73.4+52.1=125.5 93.1-20.9=72.2 63.1-11=52.1
0.33+9.8=10.13
.2+1.5=2.7
1.3+1.5=2.8
0.2+1.2=1.4
1.3+1.08=2.38
5.5+2.1=7.6
7.8+1.9=9.7
1.02+1.03=2.05
1.2+1.5=2.7
1.5+1.7=3.2
1.3+1.5=2.8
0.2+1.2=1.4
1.3+1.08=2.38
5.5+2.1=7.6
7.8+1.9=9.7
1.02+1.03=2.05
1.2+1.5=2.7
1.3+1.5=2.8
0.2+1.2=1.4
1.3+1.08=2.38
5.5+2.1=7.6
7.8+1.9=9.7
1.02+1.03=2.05
7.1+7.1=14.2
2.03+2.03=4.06
1-0.9=
0.9＋0.8=
1-0.3=
3.4-1.5=
1.9-0.9=
3.5-2.4=
0.36+0.64=
6 -0.5=
0.8+ 0.7=
4.5-3=
1.5－0.5=
1－0.9=
0.9＋0.8=
1.9－0.9=
0.36＋0.64=
0.96－0.3=
2.5+0.9=
7.8+1.6=
0.39+0.15=
3-1.4=
4.7-2.8=
7.2-6.45=
15-0.48=
6.77-1.78=
3.45+5.75=
3.40+58.20=
49.80+49.20=
111.6-99=
7.8+21.02=
5.6-1.42=
12.5+0.9=
4.5-2.83=
3.75+2.25=
2.98+0.56=
6.07+4.89=
5.64-1.78=
10.2-6.45=
5-0.41=
0.3+1.5=
2.5+9.8=
7.6+1.3=
4.4+5.7=
2.3+7.7=
5.7+3.1=
7.69+2.31=
9.16+2.64=
5.68+12.22=
16.8+16.5=
26.3+14.6=
6.9+3.4=
52.3+64.7=
8.24+16.93=
0.75＋0.4=
20＋0.78=
4.8＋4.2=
5.7－3=
4.9－1.7=
1.34＋0.8=
2－0.75=
8.7＋0.03= 0.2－0.09=
8.5＋2.5=
2.4－1.4=
0.68＋0.42=
7.82－7.2=
2＋9.1=
0.48＋0.52=
8.1－5.1=
0.8＋0.18=
0.89－0.25=
1－0.98= 0.9＋0.1=
1－0.8=
4.5－4=
5.6＋4=
10－4.4=
6＋6.6=
9.5－2.7=
1－0.55=
3.7＋4.8= 7＋3.3=
3．25＋0．75=
2.7＋3.9=
0．7＋0．9=
0.9＋1=
10－0．1=
14＋0．78=
3＋2.7= 5－0．08=
1．64＋2．35=
1．1－1=
8．34－6．22=
1.3＋4.3=
7.2＋6.9=
9.3－8.8=
4.4＋15.99=
19.8－5.6=
96.3－56.2 =
79.2＋56.8=
1.9＋25.793=
88－69.21=
136.5－105=
93.1-20.9=
63.1-11=
0.33+9.8=
7.8+6.9=
0.2+2.7=
5.6+4.4=
9.4+0.06=
0.7+0.4=
0.5－0.45= 10－0.1=
1.8－0.9=
12.6－1.2=
17+0.33=
1.01+0.6= 7－0.05=
9－0.26=
6.14+3.83=
7.93-1.64=
5.23-2.36=
8.63-3.48=
1.16+4.77=
7.74-5.85=
9.35-4.74=
4.93+4.75=
8.17-5.26=
2.26-0.86=
6.55+4.68=
1.1+4.5=
1.9+3.4=
3.45+4.6=
4.45+4.5=
9.4-2.75=
7.3-1.26=
3.83+5.55=
2.75+1.3=
7.6-2.15=
1.9+6.2=
7.1-6.6=
6.8-2.8=
44.4+1.4=
43.3+6.3=
55.5-1.9=
38.9-5.55=
64.41+8.67= 0.7＋0.9=
3.8＋0.6=
8.24+3.76=
4.1－3.8=
14＋0.78=
14.6-0.34=
1.3+8.56=
0.8-0.55=
1-0.03= 30.5+3.05=
0.8-0.45=
3.25＋0.75=
0.78+2.2=
5-0.08= 10-0.1=
10－7.64=
13.6＋8.46=
0.99＋1.1=
1.23+6.52=
5.32-0.93=
6.35-5.23=
1.23+5.69=
1.26+5.21= 0.96-0.23=
7.26-4.93=
2.16-0.23=
4.63+8.9=
9.28+7.32=
5.2-0.9=
2.65+9.32=
7.65-6.23=
8.28+4.75=
9.23+5.45=
6.23-4.53=
8.52+4.65=
5.2+2.63=
4.62+8.95=
7.24+6.21=
3.8-2.3= 0.7＋0.9= 0.8＋0.6=
8.24＋3.76=
4.1－3.8= 14＋0.78= 14.6－0.34=
1.3＋8.56= 0.8－0.55= 10－0.1=
4－0.04= 1－0.03= 30.5＋3.05= 0.8－0.45= 0.78＋2.2= 5－0.08=
3.25＋0.75=
8.65－6.31=
10－7.64=
13.6＋8.46= 0.99＋1.1=
3.17+3.43=
6.82+15.55= 34.52-17.87= 12.23+4.57= 23.75+8.64= 17.83+9.5=
7.83－0.5=
3.45+8.7=
16.55+1.3=
8.54+5.96= 27.38-5.34=
2.62+4.66=
8.5+9.63=
4.76 - 1.12 =
1.45 + 2.7 =
4.31 + 21.76 =
9.46 + 18.28 = 42.39 - 20.92 = 21.85 + 37.08=
0.9+0.6= 0.1－0.01=
1.2－0.12= 1－0.385=
3.2－2.3=
.76－0.38= 15－7.3=
2.1+0.2=
0.3+0.7=
3.6+1.6=
7.5-0.5=
2.13-0.02=
3.51+0.2= 102+0.3=
1.12-1.02=
4.5-0.01=
1.9-0.4=
3.6+6.4=
3.4－1.5＝ 0.8＋0.7＝
7.8－1.1＝
4.5－3＝ 7＋0.1＝
0.7米＋0.3米＝ 0.6元＋1.5元＝ 0.7＋0.9= 0.8＋0.6=
8.24＋3.76=
4.1－3.8=
14＋0.78=
14.6－0.34=
1.3＋8.56= 0.8－0.55=
4－0.04= 1－0.03= 30.5＋3.05= 0.8－0.45=
0.78＋2.2= 5－0.08=
3.25＋0.75= 10－0.1=
1.5－0.5＝
1－0.9＝
2.3＋0.6＝ 0.9＋0.8＝ 1.9－0.9=
3.5- 2.4= 0.36＋0.64＝ 0.96－0.3
3.5+ 4.2= 6 -0.5=
2.7-0.4= 1-0.3=
0.8+ 0.7=
4.5-3=
7.8-1.1=
3.4-1.5=
1.5－0.5＝ 1－0.9＝
2.3＋0.6＝ 0.9＋0.8＝
1.9－0.9=
3.5 -2.4= 0.36＋0.64＝ 0.96－0.3=
5－4.18= 2.08＋3.62=
9.42－3.4= 18.3＋2.9=
3.8＋6.2=
6.4+3.6= 9—1.9=
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