1、1.计算下列各题，并且验算。0.0420.54 0.760.32 0.250.046 竖式计算，并用乘法验算。12.55 90.721246212 60.6123.计算下面各题，结果保留两位小数。3.560.11 1.39 8.26184.按要求进行竖式计算。（8 分）37.14.58 6.90.54 (保留两位小数)2.711 3.054.6(商用循环小数表示) (要求验算 )5.脱式计算（455 12.54）8.1 1.7546(3.2 2.3)1.24.5(20.75)615 6302.986.5(3.2 3.12)213.60.80.3 40.50.510.75 9.7283.219
2、3.03(0.2568) 16.065.841.73 32.810.54.532.810.54.5 24(59.50.25) 25.156.10.587.167.926.518.453 15.3(10.849.30.8) 12.7(7.244.5)5.256.556.5260.37 (102.035)(9.28.5) 1.6(2.2527.751.5)120.382(16.48.6) 142518213 (30022.55)14.960099102307 7.15110.4(3.22.3) 42.8(12.8 7.3)1.619.2(2221.7)8 2.33.91(2219.7) 13.70
3、.25818(1.4 1.252.4) 2.651.71.351.7 18.3050.0785.76450.090.5 2.5401.80.03 3.20.84(10.2)13 (3.125.28) 6.计算下面各题，怎样算简便就怎样算。324.90.9 4.84.80.5 (1.250.125)84.8100.1 56.59.956.5 7.0910.80.87.093.522.50.4 4.780.2 3.44 3.94.16.1 5.90.491.4 1.252.532 3.60.627.竖式计算(1) 60.15= 50.08= 0.50.8= 2.71.08= 150.6= 18.8
4、13.42= 9.038.6= (2) 10.624.5=7.91.2= 4.583.3= 9.31.27= 4.871.91= 81.4= (3) 62.52= 0.0918= 16.640.32= 957.6152 = 21.251.25=(4) 201.25= 98.74.2= 65.80.14= 12.542.2= 54.412.8=(5) 27.013.65= 60.149.7= 133.41.84= 249.6= 11.471.85=(6) 5.371.5=(7) 222.5=18x1819x1917x1716x1699x9998x9897x9496x3495x5394x3593x1292x3391x5388x5389x9987x7886x7886x6685x4284x2383x6273x9982x4499x5422x4364x2322x2425x1229x3427x3221x4514x2419x2437x5592x5524x6767x5742x6689x8845x2267x2398x2313x3419x9939x52提问者评价谢谢你
