小数乘除法计算题

1、-小数计算题用竖式计算85.441642.847101.7967.51521.24360.7362343.51235.2176.210.032101.451.30.2791.23.80.660.311.971.569.62.9150.063.771.80.02965.220.39.990.0250.0025.66.5循环小数的用简便方法，除不尽保存 2 位小数：8.20.120.80.94.731.251.232428.336.21.70.032.410.72.50.7=保存三位小数10.13.3= 商用循环小数3.259.04= 用除法验算10.7512.5= 用乘法验算脱式计算能简算的要简

2、算2.57.1416.129916.125.20.90.9642.640.57.2899+7.284.8100.14.3500.256.59956.57.0910.80.87.094.85 + 0.35 1.46.81+6.81998.7 17.4 - 8.7 7.412.50.42.580.25185404.40.83.40.82.376.3+2.373.70.12572(9.37+937+937+937)252.51.250.32 2.5(3.80.04)6.80.750.53.750.1252.751.53+23.47.2.z.-9.59913.50.9812.58.8解方程*+8.3=

3、10.75.3+7*=7.47(*-2)=490.5* 30*-5.6=9.4*0.8=903*5=4.8*-0.8*=612*+8*=4.848+2*=360.2*0.40.53.712 0.5*8126-3.5*=56(一)3.41.4=7.827.2=2.199.1=0.80.18=1871000=10.10.89=0.890.25= 10.98=1+3.89=0.08110=1.5750.60.90.30.13740.38.15.1= 0.7280.24=0.0480.52=7510=19.9+11.1=0.960.8=0.8710.321.3280.783.50.22.010100.

4、050.0540.211000.17+0.06=0.83-0.6=0.741.02-0.09=7200800=0.17+0.6=0.98-0.09=(二)0.2+0.78=600500=10.2+0.02=0.35+0.5=0.15+0.7=10.2+0.2=8500500=0.35+0.63=350070=3.8+0.38=7500250=0.95-0.05=450+780=4.5-0.4=9.5-5=3309=.z.-9.53-1.53=9.5-0.5=3.5+2.4=4.5+4=1-0.95=0.3+0.27=0.47+0.13=2.5+3.2=4-0.6=0.95+0.05=9.8-4

5、.8=0.74+0.16=2.3100=5.1+2.3=48040=0.53100=0.52+0.4=12580=0.07810=7012=(三)0.25100=3.4-2.8=7.82+0.3=21.6-12.6=63100=2.7+0.4=0.6-0.37=0.05210=10+0.08=1-0.75=0.51000=13.5+6.5=3.05100=0.83-0.5=1.2-0.8=0.76+0.14=801000=0.92-0.2=0.72-0.43=30100=3.5+4.8=3.5+2.4=0.25+0.75=5+0.07=1-0.61=0.47+0.23=3.7+0.33=0.51+0.33=1-0.6=8-4.60.52+0.4=6.45+5.5=(四)9.53-1.53=8.8-6.7=7.82+0.3=10+0.08=9.5-7.3=1-0.95=8.8-6.7=9.5-7.3=0.96-0.35=9.53-1.53=2.340.25+0.75= 0.83-0.5=3.250 0.4502.634.1212.58300.10.350.22.12=0.70.8= 0.0420=2.52=0.510=0.68=5.6+0.4=4.7+2.3=.