北师大版四年级下册计算练习题(1)[1]

1、 一、口算4.82.8=43=3.661.25=50,42=0.0110=0.72=53.810=1.50.2=0.618100=0.393=3.62.4=1.10.4=二、竖式计算45.233.5=1.3+2.5=362.4=4.3+2.31=36=1.50.5=1.9+8.1=0.0150=53.8100=18.110=3.11+2.22=3.624=40.3=0.027=0.70.2=53.81000=65=3.84=7.24=0.36+0.64=0.31.3=0.011000=200.5=0.01100=2.54=9.8710=26.2+13.1=0.362.4=0.0910=4.81

2、.6=0.130.2=0.20.4=1.52=0.40.3=2.1+0.6=0.30.2=0.11000=35.813.3=0.90.1=0.091000=104.5=0.7+0.23=0.36=1.41410=12.3+11.2=0.60.7=0.09100=1.55=1.4100=0.969.7=0.51.8=36.910=1.25+2.41=0.85=133=0.75+0.25=0.30.6=43.211000=10.56=72=0.011000=10.9=0.132=0.17+0.33=152=1.51.8=3.14100=3833.4=0.30.2=3624= 8.25+1.55=1

3、1.657.39=8534.7=4.80.25=2.421.1=1.260=7.32.25=103.14=0.77.8=4.81.2=3.141.5=2.134=102.45=11.7+40.3=1.30.25=0.320.8=2.60.8=4.80.3=0.79.32=120.16=1216=3.7+2.36=3.152=1.443.98=0.321.2=2.152.1=1.32.2=1.872.3=12.96=10.28.75=87.23=1.443.98=9.80.5=15.4+2.97=3.8+3.54=1.360.8=9.81.3=0.1250=3.251.8=1.80.85=8.2

4、5=5.94+10.7=3.052.9=0.780.04=6540.9=2.60.5=2.160=9.60.8=4.81.3=4.80.9=9.341.4=0.1258=264=0.150.63=7.427=480.15=0.982.8=7.7995=8.540.7=0.782=0.861.2=15.915=43512=325=5436=425=3556=1344=61016=8.40.56=18252=15.66=350.5=12.60.3=0.7681.6=37.10.53=2.77.5= 4.060.58=41.62.6=0.162.5=38=0.70.25=70.35=320.08=0

5、.630.7=43=6.210.3=30.64.5=4.20.12=109=0.210.025=0.40.5=6.30.42=72.99=733=0.0120.25=4.21.2=9.411=56=72.90.9=14.211=13.30.95=82.515=46.2323=1.250.72=13.30.95=0.160.25=0.49=17=24=4.483.5=0.235=12.31.5=7.875=0.140.08=9.64.5=12.31.5=7.20.64=25.218=19.21.6=210.75=93.6=241.5=42.77=21.612=63.90.9=2.881.50.4

6、4832=1.920.16=9.61.64=4.23.2=2.881.5=54.60.91=8.955=0.1920.016= 5.32.4=62.4+7.62=11736=81.57=1.85.5=（保留二位小数）8.096.7=6008.09=1.791.2=45.415=4.483.5=三、计算并验算12.60.28=8.841.7=62.917=2.10.56= 90.36=4.23.2=11736=1.85.5=四、脱式计算9.43(8.65+0.40)4.6+12.3+5.815(1.3+3.9)4.61.75+2.089.5+4.856.362.6+1.435(4.192.83)

7、5.6+2.7+4.4(8+0.8)1.25221.677.41(2.96+3.04)4.28+0.533.374.023.5+0.982.52.843.2+1.272.49 1.54+2.08+3.6270.81.251.75 54.19+2.834.6(1.75+2.08)2.50.61.80.52.513+0.90.2513.70.41.83+3.79+0.170.894.8+0.895.2100.340.665.4（2.74）12.8+2.049.56.159.4424.53.6+5.20.351.6(2.25+10.51.5)(3.2+0.12)0.87.8+4.56+2.24.50

8、.9+5.50.990(3.61.8)0.1750.250.412.7+12.5535.714309.40.96(5.40.9) 526.5+260.373.47.83.90.36(6.14.6) 0.8 54(3.94+6.86)0.1750.25490.3(86.5)5.011.9+4.9928.77+4.50.499+0.496(15.412.2)3.642.52.430.180.656.40.655.4780.250.4五、解方程x19=2x12.3=3.84x=3803y=451.6x=3.3647+x=474x=42 6m=42y21=146y=54x7=12a18=261.2x=4824n=962x+20=803x+6=150.5x2=245x2x=123x+3x=1802xx=44m2m=485y+y=963x+4=34y+y=33x+3x=72y+3y=366x3x=4.83m+2m=65x+5=552x+5=452x6=403x+2