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1、-三年级数学乘法口算3-第 4 页 第六周口算1.24(23-19)( )39-1926.92-244( )(10+0)22.45-366( )57+4527.4(0+1)( )27+633.1(1+0)( )4(9-0)28.59-72( )3(5+14)4.67+23( )369+7429.3(2-0)( )45+405.(15+4)7( )26-18930.11-124( )2(8+9)6.(3-0)7( )7(23-16)31.48(4+2)( )67+557.305+0( )189+5832.34-7( )58+5678.2(14-5)( )(5-2)433.68-97( )59-4
2、9.42(5+1)( )(17-9)234.43+46( )248+810.213+10( )205-235.(11+5)7( )5(1-0)11.(13+5)8( )405+4236.45(24-19)( )6(7-5)12.(4+2)1( )6(5-2)37.7(5+2)( )67-1813.89-62( )(13-10)738.84-79( )89-4214.72+32( )85+16239.86+408( )147+815.91-69( )2(8+4)40.71+26( )79+72916.35+67( )(5+14)841.(38-11)3( )17+2917.38-147( )(1
3、6-11)542.20(13-9)( )3(0+1)18.(5+2)1( )(21-19)243.12(1+1)( )(6-0)119.5(1+0)( )(4+3)744.19-82( )(35-20)320.(10+4)10( )58+12345.99+305( )8(6-3)21.79-55( )(1+29)546.355-7( )568+4022.(10+6)4( )(2+34)647.(10+10)5( )10(10-5)23.18-32( )(16-4)248.8(12+5)( )37-8424.46-6( )405-849.36-8( )(59-11)825.9(6+3)( )62
4、-850.(9-3)3( )29+171.9000-590=21.670-480=41.6500-800=2.9000-3800=22.160-80=42.3300-1300=3.140-60=23.820-70=43.800-20=4.9500-1600=24.930-760=44.240-40=5.1100-500=25.3400-900=45.600-480=6.620-550=26.510-110=46.680-490=7.2100-170=27.3500-70=47.9700-690=8.8700-80=28.360-190=48.7600-3600=9.6200-600=29.27
5、0-180=49.6400-1700=10.4200-260=30.330-70=50.7700-3800=11.9500-2600=31.2700-80=51.380-80=12.2700-700=32.2100-10=52.8200-140=13.5000-2800=33.3000-300=53.750-690=14.220-150=34.6300-450=54.810-40=15.350-290=35.4400-2400=55.6700-2800=16.470-90=36.1400-90=56.8700-2800=17.5700-800=37.8800-5900=57.2500-500=18.1200-700=38.2200-1800=58.5600-3600=19.110-10=39.4200-1200=59.650-90=20.430-70=40.3200-2900=60.500-60=