五年级上册计算题练习[1].docx

《五年级上册计算题练习[1].docx》由会员分享，可在线阅读，更多相关《五年级上册计算题练习[1].docx（4页珍藏版）》请在第壹文秘上搜索。

1、五年级上册汁算题一、用竖式计算:0.37X2.4=数)56.5X0.24=0.59X0.027=1.24X0.15=1.03X5.9=位小数)0.86X1.2=1.553.893.60.052=6.726.4=O.397.8=3.84.525.636.（保留一位小（得数保留两（得数保留两位小227.80.34=7.5250.38=（得数精确到仃分位）78.611=（得数用循环小数表示）36X5.518X3.060.28X0.25150X0.123.45X210.87X1.5O.030.12=验算:52.7826=验算:数）(1)7.6X0.9(2)10.5X0.3(3)4.25X0.18(得数

2、保留一位小数）(4)0.30.12(5)104.7826得数保留一位小数(6)34.20.8验算0.19X7.5=(验算)3.5X16-位小数）0.40.0761.5X0.062二、递等式许算，能简便的用简便方法计算。5.5X8.2+1.8X5.58.81.252.35X4.64+5.36X2.354.4X0.251.87X3.05+8.13X3.050.25X0.89X47.650.85+1.112.51.360.825.212+2.91.25X0.45X0.86.5X0.044.8X0.9823.45.23.22.6X10.143.515-1.459.83.70.44X2.52.250.4

3、+0.631.043.2-4.73.26X10.1-0.1X3.260.125X9.8X8102X4.82.4X2.5(27.8-15.6)X0.89.12574.8412.6X99902541.396.13.91.390.251.60.410.1X1.92.4X1.250.48X20.2-4.242.720.48+0.521.22.5+0.82.52.330.254102X0.458.8X1.257.06X2.4-5.70.211.4+2.68.710.123.47.8-2.32.56.8X0.47.06X2.4-5.75.4+4.6X152.53.21.256.350.81.250.847

4、+0.36X821.360.82.95.65X1.8+4.351.82.5X1.25X3.263X10.19.76X0.72-0.76XO.72+0.7228.3X0.12.7O.7998+0.7924.05O.5+10.7558.360.518.2O.481.2521.60.8-1.253.28.46.9(6.44-4.14)O.38X1021.018.5O.255.80.46.82.72.74.82.542.47X6.5+7.536.5O.651014.12-1.78-1.223.6+6.41.5三、解方程1.8x=72x+4.2=14.891X=1.34X+1.25=24.4x5.4=1

5、.21.2X2=608X-5X=27X-32.5=94(-4)0.5=106-10.8=13.2(1)-1.9=7.8(1)X+4.6=19.8(1)5.16+x=23.36(1)1.6.r+3.2=9.65.5+X=8O.4X=169X4=135X-6=8.4X7=0.33X-1.6=32.6(2)X6.5=1.8(2)6x=10.8(2)x0.24=9.5(2)4x3x9=293X=2.7HX=1.11.530-5X=1041.61.8x=72x+4.2=14.82X+2.82=10.45X+3X=33.63.6-0.8x=26.62(3+x)=9.25.4x+x=12.85X6+4x=50=I.4x5.4=1.2168x=402(X-2.6)=8X-O.36X=161.2x2=120x32.5=944-39=29X2.4X=5.15.4X+X=12.8O.85(x6)=5.1O.5x+0.8x=0.397x-4x=O.7227-17x=10