人教版五年级数学上册计算题.doc

人教版五年级数学上册计算题训练一、用竖式计算9.1533 90.753.4 3.680.243.650.259.416.1(保留两位小数)11.211(商用循环小数表示)29.70.45 5.955.6得数保留两位小数）3.251.8 9.40.28 5.795.6(保留两位小数) 360.26 7.80.52(保留两位小数) 12.568.5(保留两位小数) 2.851.2 4.560.28 9.352.8 二解方程5.6 X8.6=19.4 3.2 X1.5 X=0.51 2 X+1.25=7 51.3-2x=5.5 24x+6x=63.612X-9X=8.76X+18=483(X+2.1)=10.5X+4.8=7.230.74 x=6.5 3.6 xx=3.252（x0.5）=1.6 3x=4.914 5x21.83.6 7（x1.2）2.1 2-3.4=7.2 2.4x1.6x2.20.8（7.2）7.92 6.241.6X1.32.63 X4.5358.57 1.25X0.16X3.4886+157=141 22.8=8.2 1.4-0.7=5三、计算下面各题，能算简的必须简算。（18分）4.75+3.252.4+7.6 (18.4+27.834.6)0.2 114.94.91.654.3+8.354.3 1.72.50.46.81+6.8199 0.25185403.94+34.30.2 2.08(9.62.4)4.85.517.3+6.75.5 1.510512.253.10.856.17 2.651.71.351.7 3.6（1.20.5）5 0.1250.388021.360.812.917. 644.9+6.73 3.4（1.20.5）5 1.919.9+199.90.3 0.2512.53.2 9.0722.783.4 3.8+4.29+2.1+4.29.51.062.522.4 6.251.250.8 2.5(3.51.65)0.42.651.71.351.7 23.47.82.10.75180.15 2.53.21.25254.4 7.70.167.712.5 10.64(3.72.9)4.8994.8 47.321(3.90.87) 5(68.4132.17)0.4 72.85.6+14.9 5.412.3+5.47.7 42101-420.253.212.5 3.61.52 33.4+0.1250