五年级上册数学书中计算题180道.doc

6.70.3 2.46.2 0.560.04 3.74.6 0.290.07 6.58.4 3.22.5 2.61.08 0.867 3.51612.542 1.823 0.370.4 1.0625 70.860.60.39 270.43 0.04945 0.80.9 1.70.4525.26 34.515 7.839 4.088 0.5466.314 7215 14.217 1.812 22.442415 1.2618 43.529 18.927 1.351528.611 20.424 3.6452 15.612 328165.046 76.545 0.8428 7.650.85 12.60.2862.42.6 0.5440.16 1.441.8 11.72.6 19.4125.980.23 19.765.2 10.84.5 211.4 8.841.76.210.03 180.24 182.4 1.80.24 13.53013.50.3 13.50.03 2818 78.611 400751516 1.57 5.79 58 6.643.39.46 38.22.7 12.411 3.72.2 220.532.50.4 251.5 1.890.54 7.12.5 0.510.2232.52.5 1.360.05 0.061.7 2.0875 492.62.30.46 1.93+2.7 2.731.5 28.515 8.3-2.63脱式计算720.81+10.4 7.062.4-5.7 50.41.9-1.8 3.760.25+25.80.75180.15 2.070.230.45 21.360.8-12.9 7.28+3.22.51.080.80.27 2.050.82+33.6 44.280.94.1 9.07-22.783.45.517.3+6.75.5 3.8+4.29+2.1+4.2解方程x+3.2=4.6 x-1.8=4 x-2=15 1.6x=6.4 x7=0.3 x3=2.1 x+0.64=14.14 x+0.3=1.8 5x=1.5 2x-20=43+x=5.4 x-1.5=4 x-6=7.6 x1.1=3 x5=15 0.2x=6 3x+6=18 2x-7.5=8.5 16+8x=40 4x-39=29 2x+2.82=10.4 x+2.4x=5.1 2（x-2.6）=8 5（x+1.5）=17.5 x+4.8=7.28（x-6.2）=41.6 （x-3）2=7.5 13.2x+9x=33.3 8x-3x=105 x-6.5=3.2X8=0.4 6x+18=48 3（x+2.1）=10.5 12x-9x=8.7 x-0.36=16 5.4x+x=12.8 3.8+x=6.3 x-7.9=2.6 2.5x=14 x3=1.23.4x-48=26.8 2x-97=34.2 42x+25x=134 13（x+5）=169 2（x-3）=5.85x+7=42 x4.2=2 3.6x-x=3.25 简算0.2544.78 0.65201 4.80.25 2.330.541.5105