1、口算（一） 0.80.2= 5.63= 0.254= 3.10.2=0.456= 0.40.25= 3.60.8= 2.91=9.63= 0.050.4= 1200.5= 7.34= 0.752= 4.30.2= 12.58= 660.4= 6.010.3= 034.5= 45.22= 1.33=4.254= 0. 070.5= 330.04= 6.54= 2.30.06= 150.08= 0.090.9= 4.70.1= 540.8= 1.60.03= 0.80.9= 0.6100= 17.50.01= 3.20.5= 250.4= 12.50.8=66.5= 3.60.7= 6.50.4=
2、 8.50.2= 0.660.3= 2.50.4= 7.70.8= 0.01220=4.60.4= 30.09= 2.20.05= 4.10.6=0.750.4= 230.4= 0.32100= 5.52=4.7310= 023.5= 0.254= 7.20.5=3.30.5= 600.8= 3.40.6= 0.1258=口算 （二） 4-1.4= 82-7.2= 19+9.1= 4.1-0.89= 5.68+0.42= 6.1-5.1= 0.72- 0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52= 5400=19.9+11.1= 1871000=
3、1+3.89= 0.08110=7510= 0.968= 0.87= 1.57=1.328= 0.78= 10.32= 50.6=0.90.3= 3.50.2= 2.010= 100.05=0.137= 0.21100= 0.74= 0.054=40.3= 430-250= 0.17+0.06= 1.02-0.09= 7200800= 0.17+0.6= 0.83-0.6= 17300=0.98-0.09= 0.2+0.78= 6000.7= 10.2+0.02=0.15+0.7= 670+250= 10.2+0.2= 9.2-6=8500500= 3.2-3.2= 3.7+2.3= 2510
4、0=3.2-0.32= 2+2.8= 380-290= 0.35+0.5=0.35+0.63= 350070= 3.1+3= 3.8+0.38=口算（三） 7500250= 3.8+1= 0.95-0.05= 450+780=3.1+0.3= 3+0.3= 6309= 4.5-0.4=9.5-5= 3309= 9.53-1.53= 9.5-0.5=3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2=0.74+0.16= 23100= 9.8-4.8= 48040=0.53100= 5.1+2.3= 125
5、80= 0.07810=0.52+0.4= 7012= 0.25100= 3.4-2.8=0.6-0.37= 0.05210= 10+0.08= 1-0.75=0.51000= 0.82+0.3= 13.5+6.5= 3.05100=1.2-0.8= 21.6-12.6= 63100= 0.83-0.5=0.76+0.14= 801000= 2.7+0.4= 0.72-0.43=30100= 0.92-0.2= 3.5+4.8= 3.5+2.4=5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6=口算（
6、四） 5.8-3.6= 0.52+0.4= 6.45+5.5= 4.5-1.3=3.4-2.8= 9.53-1.53= 8.8-6.7= 10+0.08=9.5-7.3= 7.2+0.8= 7.82+0.3= 8.8-6.7=9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35=9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0= 12.58= 2.34= 3.250= 0.450= 300.1= 2.63= 4.12=0.350.2= 7.50.1= 2.52= 0.510=0.68= 2.810= 0.70.8= 5.6+0.4=
7、4.7+2.3= 4.52= 7.20.8= 63.4=0.62-0.32= 0.75100= 0.020.5= 3.60.3= 5.6100= 0.750.25= 0.1258= 0.862=0.5628= 0.360.4= 0.79= 3.624=0.81.1= 46.7-3.8= 12.84= 5.213= 1.64+4.1= 1020= 2415= 0.350.6=口算（五） 4.7+2.3= 4.52= 6.92.5= 7.20.8= 63.4= 0.620.32= 1.40.5= 0.75100=0.020.5= 3.60.3= 6.37= 5.6100=0.750.25= 0.1
8、258= 4.80.3= 0.962=0.5628= 0.360.4= 0.640.8= 0.723.6= 3.612= 0.81.1= 7.2+12.8= 46.73.8=12.84= 5.213= 12.55= 1.6441=1020= 2415= 8.6510= 0.350.6=3.080.01= 4.951000= 6.90.1= 0.40.5=2.40.8= 10.89= 9.60.8= 0.1082= 4.950.9= 9.650.1= 0.325100= 2.58= 0. 560.7= 0.1254= 3.280.1= 3.90.13=7.20.1= 0.010.1= 口算（六）
9、 12.5= 1.250.8= 3.20.04= 01.7= 1.40.5= 1.550.5= 3.150.7= 1.860.2= 1.040.8= 0.380.1= 1.360.2= 1.160.4= 0.120.6= 0.270.9= 0.480.2= 8.730.9= 0.720.3= 0.460.1= 0.220.2= 3.450.5= 4.620.6= 1.920.4= 0.90.3= 5.110.7= 0.350.1= 3.920.8= 4.320.9= 0.240.8= 3.150.7= 0.980.7= 1.80.6= 1.760.4= 2.640.4= 7.560.9= 1.
10、190.7= 1.530.9= 1.330.7= 1.180.2= 0.090.1= 0.210.1= 1.540.2= 8.280.9= 30.5= 1.710.3= 7.440.8= 2.480.8= 0.750.5= 1.920.8= 1.20.8= 0.070.7= 口算（七） 3.690.9= 2.280.3= 0.250.4= 1.60.8=0.87 1.328 1.57 0.7810.32 3.50.2 0.90.3 50.6100.05 0.137 0.74 0.054 12.58 0.450 3.250 2.342.63 7.50.1 0.450.2 4.123.50.01
11、90.5 09.8 3.90.394.12 2.63 1.258 7.50.110.06 0.90.3 90.5= 2.50.4=103.52= 8.21.8= 0.20.4= 0.224=0.90.52= 3.991= 40.3= 300.1=0.350.2= 10.08= 4.85.2= 2.010=2.45= 1.258= 口算（八） 7.827.2= 2.199.1= 10.10.89= 6.80.42=0.80.18= 0.720.24= 8.15.1= 0.890.25=10.98= 0.480.52= 0.540= 0.1258=5.61.4 0.281.4 0.10.5= 3.
12、880.4=0.21100= 3.41.4= 0.452.5 0.81.25 0.33.6 0.30.3 100.07 0.31.4 0.057 0.920.4 0.20.26 0.144 0.020.1 1.20.3 0.20.4 8.21.8 100-35.22 2.34 2.50.4 2.45 0.224 3.250 0.90.52 3.991 03.52 12.58 810 = 1.470.7= 0.43+3.57= 0.90.8= 10.5= 0.963= 2.5412= 10-1.8-7.2= 口算（九） 16.510= 0.56100= 3.78100= 40.8 =3.2151
13、00= 0.810= 4.08100= 1.10.2 =0.60.8 = 30.9= 2.50.4= 3.60.4=12.58= 500.04= 800.3 = 1.19= 0.165 1.782.2 = 9.60.6 = 1.20.5-0.4 = 0.70.01 = 2.50.4 = 123.9= 1.2581.25 =6.60.66 = 5.370+4.63 = 3.92.03 4.23.51.6+2.40.3 = 2.140.9 2.77.3= 0.30.3=7.22.8 0.90.01 120.3= 2.870.7134 0.960.3 1.50.4 70.25 2.50.70.8=
14、82.5 161.6 5.61.01= 80.25 0.360.64 64.3216 4.20.1 72.80.8 8.44.2口算（十） 13.89.9 2.42.5 0.050.8 2.560.371.250.80.5 122.5 1.233 3.21.6=3.53.53 19.62 8.82.2= 0.7540.50.8= 8.40.2= 1.60.2 7.20.3= 2.80.3= 0.90.15= 1.80.4= 5.50.55= 0.08100= 2.20.11= 5.464.54= 12.50.8= 0.350.3= 1.45= 2.84= 19.64= 40.5= 7.51.5
15、= 102.5= 3.521=1.53= 2.26= 0.427= 0.420.6=0.480.8= 0.90.45= 5.10.17= 0.819=4.80.16= 8.40.4= 1.85= 4.50.9=2.9100= 1.50.03= 4.40.11= 9.616=（1.50.25）4 22.54= 口算（十一） 10.01= 4.25= 30.5= 6.1-0.5=0.38+4.2= 03.89= 0.60.2= 6.44=7.20.9= 4-0.18= 0.30.1= 0.12580=42.5= 1.20.04= 0.7+6.53= 3.60.06=1.250.25= 1-0.75
16、= 2.61.3= 4.4+6.6=7.4-0.54= 7.820.1= 0.51.6= 8.47= 15= 0.4+0.26= 2.56= 5.46=0.0720= 0.455= 3.5-2.9= 0.480.24= 1.50.03= 5.65+0.35= 34= 0.32.9=17.3-0.8= 2.50.5= 2.16-1.6= 30.44=2.55= 603.2= 8.40.5= 87-8.7=1.80.5= 4.50.15= 2.45= 3.60.02=0.290.01= 1.5+0.9= 150.3= 0.060.9=口算（十二） 0.960.8= 2.411= 8.19= 60.
17、3+0.67=2.85= 0.720.6= 0.56= 0.0010.1= 187100= 0.9+0.28= 14= 4.030.5=1.2+0.08= 7.20.09= 0.134= 0.30.2= 1.20.4= 0.611= 0.450.15= 0.25+0.5= 150.3= 102.5= 5.8-0.9= 3.42=0.481.2= 4.3+6.9= 1.650.3= 12-1.1=1.4+2.6= 12.44= 12.54= 9.50.5= 52= 9.1-1.9= 0.360.9= 05.4=2.54.4= 3.063= 6.6-6= 7.64= 320.5= 0.25-0.19= 0.40.01= 20.32=12.50.8= 640.8= 3.2-2.3= 600.2=4.160.8= 5.4+6= 0.65= 3.38=
