最新北师大版四年级下册数学计算题.pdf

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1、一、口算4.82.8=1.3+2.5=3.11+2.22=26.2+13.1=12.3+11.2=35.813.3=1.25+2.41=3.66 1.25=1.50.5=0.36+0.64=2.1+0.6=0.969.7=10.9=10.56=50,42=1.9+8.1=4.3+2.31=0.7+0.23=0.75+0.25=0.17+0.33=0.20.4=0.01 10=0.0150=0.01100=0.011000=0.0910=0.09100=0.091000=53.8 10=53.8100=53.81000=1.41410=0.11000=36.910=3.14100=0.61810

2、0=18.110=9.8710=1.4100=0.011000=43.211000=0.30.2=43=40.3=0.4 0.3=133=0.132=0.130.2=3624=3.62.4=362.4=3.6 24=0.362.4=0.60.7=0.9 0.1=0.85=1.10.4=0.027=0.3 1.3=0.30.2=0.5 1.8=1.51.8=72=0.72=0.70.2=36=0.36=0.30.6=152=1.52=1.50.2=3.84=2.5 4=200.5=4.8 1.6=1.55=10 4.5=0.39 3=7.24=65=二、竖式计算45.2 33.5=38 33.4

3、=8.25+1.55=7.32.25=102.45=3.7+2.36=10.28.75=15.4+2.97=5.94+10.7=11.657.39=103.14=11.7+40.3=3.152=8 7.23=3.8+3.54=3.052.9=8534.7=0.77.8=1.30.25=1.443.98=1.44 3.98=1.36 0.8=0.780.04=4.80.25=4.81.2=0.320.8=0.321.2=9.80.5=9.81.3=6540.9=2.421.1=3.141.5=2.60.8=2.152.1=2.160=0.12 50=2.60.5=1.2 60=2.134=4.8

4、0.3=1.32.2=9.60.8=3.251.8=4.81.3=4.80.9=9.341.4=0.7 9.32=1.872.3=0.150.63=1.80.85=480.15=0.861.2=0.1258=120.16=13.3 0.95=12.31.5=93.6=4.23.2=1.85.5=（保留二位小数）8.09 6.7=6008.09=1.791.2=4.483.5=三、计算并验算4.23.2=11736=1.8 5.5=四、脱在计算9.43(8.65+0.40)4.6+12.3+5.8 15(1.3+3.9)4.61.75+2.08 5(4.192.83)7.41(2.96+3.04

5、)4.28+0.533.37 3.2+1.272.49 1.54+2.08+3.62 9.5+4.856.36 5.6+2.7+4.4 4.6(1.75+2.08)4.02 3.5+0.98 70.81.251.75 54.19+2.83 2.6+1.43(8+0.8)1.25 2.50.61.80.5 2.52.8 4 2.513+0.9 0.2513.70.4 1.83+3.79+0.17 221.67 0.894.8+0.895.2 100.340.66 12.8+2.04 9.5 6.159.4 42 4.53.6+5.20.35 4.50.9+5.50.9 0.499+0.4 3.6

6、42.5 0.656.40.655.4 5.011.9+4.99 五、解方程x19=2 x12.3=3.8 4x=380 3y=45 1.6x=3.36 47+x=47 4x=42 6m=42 y21=14 6y=54 x7=12 a 18=26 1.2x=48 24n=96 2x+20=80 3x+6=15 0.5x2=24 x+3x=180 2xx=4 4m2m=48 5y+y=96 y+y=33 x+3x=72 5x2x=123 y+3y=36 6x3x=4.8 3m+2m=65 3x+4=34 x+5=55 2x+5=45 2x6=40 3x+20=50 4x+9=249 3y6=48 y+2y=45 x360=312 6xx=125 3x=3.6 x18=40 2y+7=91 x+2.5=10 5x3.9=5.1