北师大版四年级下册数学计算题.doc

北师大版四年级下册数学计算题一、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=3.661.25= 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=0.0110= 0.0150= 0.01100= 0.011000= 0.0910= 0.09100= 0.091000=53.810= 53.8100= 53.81000= 1.41410= 0.11000= 36.910= 3.14100=0.618100= 18.110= 9.8710= 1.4100= 0.011000= 43.211000= 0.30.2=43= 40.3= 0.40.3= 133= 0.132= 0.130.2= 3624=3.62.4= 362.4= 3.624= 0.362.4= 0.60.7= 0.90.1= 0.85=1.10.4= 0.027= 0.31.3= 0.30.2= 0.51.8= 1.51.8= 72=0.72= 0.70.2= 36= 0.36= 0.30.6= 152= 1.52=1.50.2= 3.84= 2.54= 200.5= 4.81.6= 1.55= 104.5=0.393= 7.24= 65=二、竖式计算45.233.5= 3833.4= 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= 87.23=3.8+3.54= 3.052.9= 8534.7= 0.77.8= 1.30.25= 1.443.98= 1.443.98= 1.360.8= 0.780.04= 4.80.25= 4.81.2= 0.320.8= 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= 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= 14.211= 0.49= 109=17= 24= 56= 4.483.5= 13.30.95= 12.31.5= 7.20.64= 241.5=42.77= 0.235= 82.515= 7.875= 25.218= 0.44832= 21.612= 2.881.52.881.5= 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= 9.61.64= 62.4+7.62= 81.57= 8.955=13.30.95= 12.31.5= 93.6= 4.23.2= 11736= 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)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)4.023.5+0.98 70.81.251.75 54.19+2.83 2.6+1.43 (8+0.8) 1.25 2.50.61.80.52.52.84 2.513+0.9 0.2513.70.4 1.83+3.79+0.17 221.67 0.894.8+0.895.2100.340.66 12.8+2.049.5 6.159.442 4.53.6+5.20.35 4.50.9+5.50.9 35.714305.4（2.74） 9.40.96(5.40.9) 526.5+260.37 1.6(2.25+10.51.5) 90(3.61.8) 3.47.83.90.36(6.14.6) 0.8 54(3.94+6.86) 0.1750.254 (3.2+0.12) 0.8 0.1750.250.4 28.77+4.596(15.412.2) 2.430.18 90.3(86.5) 7.8+4.56+2.2 12.7+12.55 0.499+0.4 3.642.50.656.40.655.4 5.011.9+4.99 780.250.4五、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 a18=26 1.2x=4824n=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=366x3x=4.8 3m+2m=65 3x+4=34 x+5=55 2x+5=45 2x6=403x+20=50 4x+9=249 3y6=48 y+2y=45 x360=312 6xx=125m0.6=4.5 3x=3.6 x18=40 2y+7=91 x+2.5=10 5x3.9=5.18m2=15