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1、5.62.9=3.771.8=0.02X96=5.22X0.3=9.99X0.02=4.67X0.9=52.44=1.66.1=计算小练兵9.77X0.02=1.3845.1=8.92.4=5.555=575.7=9.462.85=17.8X6.4=1.5X4.9=2.5X0.88二5.555.2=2.22X3.337.658X8=计算小练兵85.4416=42.847=101.79=67.515=35.217=39.624=6.210.03=2101.4=51.30.27=91.23.8=0.7560.18=0.660.3=计算小练兵11.971.5=69.62.9=38.40.8=15O.
2、O6=8.220.12=O.8O.25=64.85.4=4.743=计算小练兵1.261.2=320.2=I8.92.7=80.66.2=1.710.03=2.310.7=0.3961.2=0.7560.36=计算小练兵15.6X13=0.18I5=0.025X14=3.06X36=90.753.3=3.68X0.25=16.90.13=0.5073.9=3.70.016=13.76X0.8=5.20.6=8.41.3=计算小练兵6.40.5=4.48X0.4=5.25X5=35.4X4.2=1.08X25=0.120.50.16=4.8X0.25=0.125X1.4=2.50.7=10.13
3、.310.7512.5=3.259.04=计算小练兵72.80.8=29.163.24=0.360.12=16.248.12=0.380.19=18.93.15=6.61.1=5.155.15=10.385.19=56.256.25=66.088.26=36.929.23=计算小练兵9.220.5=45.437.7=19.82.2=48.9783=45.7652=9.181.8=30.033.3=13.57.5=257.145.20.9+0.97.2899+7.284.3500.22615.7+15.724(2.275+0.625)0.28计算小练兵：（能简算的要简算）3.94+34.3x0.
4、21.2(9.62.4)4.82.75.43.9计算小练兵：（能简算的要简算）32+4.9-0.94.8-4.805(1.25-0.125)856.5x99+56.57.0910.8-0.87.098.717.4-8.77.4计算小练兵：（能简算的要简算）12.5x0.4x2.5x80.873.16+4.640.68(5.2-3.5)X1.250.60.5X1.138.25+2.4X0.512.8-4.8X0.257.5+2.5X5.2102X0.4550.8X101-50.8计算小练兵：（能简算的要简算）7.8X0.36-0.64X7.88X0.9X1.252.4+7.6X3.46.8 (0
5、.25X6.8)2.61.92.62.880.127.50.251.25X320.13X3.89+0.13X6.116.750.250.4计算小练兵：（能简算的要简算）38.75-(24.5+8.75)0.4X2.32X0.250.75X1011.25X4X2.5X812.6X7.5+8.345（5.250.25）16.5X101-16.536.45(0.82+3.4X0.2)9.072.640.4计算小练兵：（能简算的要简算）13.6X0.85-3.6X0.8586.46.4-0.40.25X6.2X0.413.6X0.8X12.523.9X8.5-3.9X8.5(2.55+9,616)0.
6、420.125322.50.8X63-0.8X3.80.640.40.8计算小练兵：(能简算的要简算)992.61.6x2.5+0.4x2.50.8(6-8.51.7)68.04(0.21X3.6)0.486+0.01+3.9917.5X2.3-7.5X2.31.25ll40.88.93X5.7+8.93X3.3+8.931.250.70.8计算小练兵：（能简算的要简算）3.093.92.63.0726.4+49.769.63.2251.5 1022.7 3.7+0.37 730.8 (12.5 - 1.25)1.25 0.4 80 2.56.80.750.542 (5.25 0.25)计算小
7、练兵：（能简算的要简算）2.7 3.7+0.37 73L53+23.47.21.51024.40.8-3.40.82.5X1.25X0.322.5 (3.8 X 0.04)7.69X101(9.37+9.37+9.37+9.37)X2.52.37X6.3+2.37X3.7计算小练兵：（能简算的要简算）46X0.33+54X0.333.8X10.10.125X723.750.125-2.759.5X9913.5X0.9840.5 0.81 X 0.186.81+6.81X990.25 185X40计算小练兵：（能简算的要简算）7.28X99+7.282.57.1416.12X99+16.12计算
8、小练兵:3.94+34.3X0.2（能简算的要简算）1.2(9.62.4)4.88.91.14.73.6X9.85-5.468.05X3.4+7.66.58X4.5X0.9计算小练兵：32+4.9-0.9（能简算的要简算）4.8-4.8X0.5(1.25-0.125)X812.5X0.42.5X80.87X3.16+4.649.5X10140.50.81X0.184.8(152.4)2.1308257计算小练兵：（能简算的要简算）6.81+6.81X990.25185404.40.8-3.40.82.5(3.8X0.04)0.25X39+0.250.125X72(85.27)1.256.81+
9、6.81X990.25185X40计算小练兵1.83+5x=15.416+8x=40X2.5=0.84x+18=30计算小练兵(-3)9=637(-1.2)=2.14x+6=367(-1.2)=2.1计算小练兵10-2x=24x+1.8x=22.45.4x+x=12.8x+2.4x=5.15x1.4x=7.23.8-2.45x=13512-9x=8.76x+2.1=8.28计算小练兵4-0.4=9.40.6x+0.43=4.22x+1.9=2.54x+l,5x=4.42x4=L56x+0.25=5.22(x-9.7)=34.26(x+1.5)=13.2X-0.68x=166x+18=483(x
10、+2.1)=10.5x+4.8=7.22-038=L2计算小练兵5(x+23)=25.53(-1.7)=3.62(x+23)=50(-7)3=121.85+x=5.630x2=3609(-3.4)=67,58-7.2X4=40.8计算小练兵13+x=28.52.4x=26.44x+13=36530x+15x=22,50.7x=4.22X-7.5=8.57.9X-X=8.975X+28=486X-12=30计算小练兵453X=243X-46=481.803-0.2X=21.2-0.9+5X=0.83(x+2.1)=10,5x+4.8=7.22-0,38=1.25x+15=20计算小练兵5(x+23)=25.53(-1.7)=3.62(x+23)=50(-7)3=1245-3X=2419-8x=556x+8x=1.432(7-4x)=185x+.lx=5+6.1计算小练兵72x-36x=9X048.5x+6.5x=2251.2x-0.9x=2.10.8x+0.4x=L215X-7.5X=1532x9X13X=60计算小练兵8.4-3.6x=45.60.7X+4=1027
