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1、小学 四年级数学小数加减乘除口算题38432= 4610= 46839= 146020= 50= 784 4.514=49.53=0153= 425= 3740= 73=1.2=2-0.8=.7-5.7=0.5.8=25=80030110=30.1=01.2=0.5=.2-.9.50.=0.260.3.05=204=2.+12=-0.9=0.55+.3=0.+0=60.=0.15=2.4=5.3-10=3.3+7=6=0.86+.140.37+4=320.=045+0.55=.48=.9211101.09=.10=0.655=1=250.=2.8.2=07+.26.37=1.0344=87=1
2、=08+7.62=0.28=20.=1.3=12.6=10206.20.3=0.672.87=09042.1701=5.1+2.=2.54.5=500.04423.4.1-21=102.10.3=693+19=3.7+1260.7=2.341340=(+2.)0.7=3-0.2575=34.1+2.5.=9.12+0.312380.010.02=(.+0.16).16.9=94.3+.7= 0725= 4.6 0.357 .-1.9 .830. 30.05 7.2-3. 0.070.6 1390.3 10-4=821.=124=3.440.6=6.8-.=069=4.8=7.42=5.41.=
3、2.730=.3-2.1=101=5101003.74.2=.4=.0.04=0.409=025=0.160.3=3.10410.4=0.6002=.085=830=8004=1.6=3.64=3.21.6=0.16=93=0.00+0.3=1.284=3.+.=6.20=03417-.02=(1.5+0.)2=0.8155=.2460.907=30.21.=982.9-31=.280.160.20.40.1=0.40.24.080.=.335=190.3.63=1.2.=5.55=4.2-08=0.84=080.1052.80.70=0.625(3.2-2.6)=5.40.9+0.8=(1.
4、0.8)0.6=5.5=3.26001(.-27)06=7.+3.6.4.35200.5.28=.1208=.2=7.24=4.30.0=0.0.8=6.-5.123.6+1.8=0.50.78=92=003=0.1006-209=1.8412.2=70.8=10.6=76-0.-0.3=12580.74=18+.26.40.65+045=4.2-0.6-0.=3.0.8+0.=54.72.3=150.70.0.5=403=4255=80.4=0750.270.6=.20.580-2.6=.8-5=4300=9810=12056.2=6+.200-32.=2.525=.90.99=400=.3
5、3.1.5=0.83.2=2.029=3.33=274=60.02=2.76-0.6=0.06.=5.8+3.4=320.720.1=40.5=104=0.40.2436.55=4.71.9=461=3268.1382.7=.3280.9060.8004.610=16.=.80.2=2.448=0.158=7-1.34=825=906=0.310=2.90.60.80.7=5.3-2.92813.57.2.8=8.442=17383-3=3.6=.86=05=.5+36301.2.25=72080.=.7547.5.5074=.003=2(6.4+4.6）.8.76.60.5=7.86+7.86=0.5.75=12.511.65.1.85.0=10-5.6=1280=1.23382.=30.09=6.0.2=7.8+22=50.=0442=.2540=0.20.=.2=75.4=0.00.9=20.7=07+12.9.90.51+0.1=7.3254=1.2583.=126.2-3.8=2.4+.64=31.50.8+.2=2.00.33=7.6-0.-0.3=3.66.=8.3331.2580.4=18.2+6.4=.6+.456.20.30.3=3.+2.50.=57-5.56=1.23.21=45.75.56=0.6.613.70.540=
