北師大版四年級(jí)下冊(cè)計(jì)算練習(xí)題(1)

1、一、口算4.8-2.8= 3.66-1.25= 5-0,42= 0.0110= 53.810= 0.618100=43= 3.62.4= 1.10.4= 0.72= 1.50.2= 0.393=二、豎式計(jì)算45.2-33.5= 1.3+2.5= 1.5-0.5= 1.9+8.1= 0.0150= 53.8100= 18.110= 40.3= 362.4= 0.027= 0.70.2= 3.84= 7.24= 3.11+2.22= 0.36+0.64= 4.3+2.31= 0.01100= 53.81000= 9.8710= 0.40.3= 3.624= 0.31.3= 36= 2.54= 65

2、= 26.2+13.1= 2.1+0.6= 0.7+0.23= 0.011000= 1.41410= 1.4100= 133= 0.362.4= 0.30.2= 0.36=200.5= 12.3+11.2= 0.96-9.7= 0.75+0.25= 0.0910= 0.11000= 0.011000= 0.132= 0.60.7= 0.51.8= 0.30.6= 4.81.6= 35.8-13.3= 1-0.9= 0.17+0.33= 0.09100= 36.910= 43.211000= 0.130.2= 0.90.1= 1.51.8= 152= 1.55= 1.25+2.41= 1-0.5

3、6= 0.20.4= 0.091000= 3.14100= 0.30.2= 3624= 0.85= 72= 1.52= 10-4.5= 38-33.4=8.25+1.55= 7.3-2.25= 10-2.45= 3.7+2.36= 10.2-8.75= 15.4+2.97= 5.94+10.7= 11.65-7.39= 10-3.14= 11.7+40.3= 3.15-2= 8-7.23= 3.8+3.54= 3.05-2.9= 85-34.7= 0.77.8= 1.30.25= 1.443.98= 1.443.98= 1.360.8= 0.780.04= 4.80.25= 4.81.2= 0

4、.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= 0.1250= 2.60.5= 1.260= 2.134= 4.80.3= 1.32.2= 9.60.8= 3.251.8= 4.81.3= 4.80.9= 9.341.4= 0.79.32= 1.872.3= 0.150.63= 1.80.85= 480.15= 0.861.2= 0.1258= 120.16= 12.96= 7.427= 8.25= 0.982.8= 15.915= 264= 1216= 325= 5436=

5、425= 7.7995= 43512= 3556= 1344= 61016= 18252= 15.66= 8.540.7= 350.5= 12.60.3= 0.7681.6= 8.40.56= 37.10.53= 2.77.5= 0.782=4.060.58= 0.70.25= 320.08= 6.210.3= 0.210.025= 6.30.42= 0.0120.25=41.62.6= 70.35= 0.630.7= 30.64.5= 0.40.5= 72.99= 4.21.2= 0.162.5= 72.90.9= 43= 4.20.12= 0.160.25= 733= 9.411=38=

6、14.211= 0.49= 109= 17= 24= 56=4.483.5= 13.30.95= 12.31.5= 7.20.64= 241.5= 42.77= 63.90.9= 0.235= 82.515= 7.875= 25.218= 0.44832= 21.612= 2.881.5 2.881.5= 46.2323= 0.140.08= 19.21.6= 1.920.16= 0.1920.016= 5.32.4= 54.60.91= 1.250.72= 9.64.5= 210.75= 9.6-1.64= 62.4+7.62= 81.57=8.955= 13.30.95= 12.31.5=

7、 93.6= 4.23.2= 11736= 1.85.5=(保留二位小數(shù)8.096.7= 6008.09= 1.791.2= 45.415= 4.483.5=三、計(jì)算并驗(yàn)算12.60.28= 8.841.7= 62.917= 2.10.56=90.36= 4.23.2= 11736= 1.85.5=四、脫式計(jì)算3.64-2.5 0.656.4-0.655.4 5.01-1.9+五、解方程x-19=2 x-12.3=3.8 4x=380 3y=45 1.6x=3.36 47+x=47 4x=426m=42 y-21=14 6y=54 x7=12 a-18=26 1.2x=48 24n=962x+20=80