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1、精选优质文档-倾情为你奉上五年级小数、分数简便运算练习题5.8324.27 (45.932.7)80.125 9.7999.74.3612.58 15.613.115.615.62.1 0.6510127.53.77.53.7 8.542.50.4 3.834.563.835.4452.80.40.25 586-458127 0.2516.24 3.723.56.283.5 3.6102 4.87.8780.52 6.40.253.60.25 4.84.80.5 (1.250.125)8 4.8100.1 56.59.956.5 7.0910.80.87.09 3201.258 18.769.
2、918.76 3.522.50.4 .252.532 3.6510.1 3.63.60.8 15.20.254 4.2994.2 0.89100.1 一、 竖式计算。1、(得数保留一位小数)(1)0.380.23 ( 2) 5.793.6 (3) 4.60.25 (4)624 (5)52.9575 (6) 3.017(7)4.9511 (8)84.0131(用验算) (9)0.64619 2、(除不尽的保留两位小数)(11)31.2 (12) 2.70.36 (13) 88.41.7(14) 7.5250.38 (15)415 (16)91.20.57 (17) 84.841.2 (18) 5
3、.636.1 (19)5677 (20)1.474.2 (21)19.190.95 (22) 56.296.1(23)2333 (24)7.410.57 (25) 21240 (26)9.6816 (27) 3.850.76 (28)53.34.7 (29)56.296.1 (30)28.74313、得数用循环小数表示。 (31) 0.20.06 (32) 1311 (33)30.133 (34) 1715 (35)7.82.2 (36)5.529 (37)67.811 (38)87二、能简便计算的要简便计算(39)2.53.60.9 (40)12.50.38.8 (41)1.25(1008)
4、(42)42(5.250.25) (43)0.412.60.280.2 (44) 8.48.41.51.8 (45)12.54.5+4.512.5+12.5 (46) 1.298 (47)2.41.250.3(52) (0.252.525)0.4 (53) 3.51.02+350.098(54)0.27990.27 (55) 2.53.20.125(56) 13.52.50.1250.4 (57) 2.614.52.616.52.61(58) 3.41.01 (59) 6.51.98(60)6.80.750.5 (61)13.750.1252.75 (62)1.53+23.47.2 (63)2
5、2.913.6812.68 (64) 4.7114.7 (65) 28.86.36.318.8(66)4.85.24 (67)5.37(2.371.8) (69)2.851.250.8 (70)10.50.2512 (71) 3.791.6+7.391.691.6 (72)3.20.823.21.18 (73)4.050.51.14(75)12.50.42.58 (76)7.7520(3.24-3.04) (77)43.21.834.6 (78)4.27.8+2.24.2(79) 0.873.16+4.64 (80)12.54.8(81)4.74.7+4.76.34.7 (82)12.53.2
6、0.25 (83)23.47.26.50.8 (84)20.649.830.17 (85)6.8(1.2+0.5)0.04 (86) 7.265.41.741.6(87)2.062.0699 (88)9.5101 (91)2.80.50.528.20.5 (92)3.22.51.25 (93) 7.2(7.226.4)0.9 (94)4.6532+2.546.5+0.465430(96)0.461.90.541.9 (97) 3.45102 (98) 12.5 88 (99) 13.650.254 (100) 28.986.3 -3.15三、解方程8x24 x0.51.2 x3.8=9.53
7、2.4x=26.4 4.06x=7.11 x1.5=1.5 3x24=9 13x+27=40 966+4x=56 3x1.2x=9 3.6x21.48.2180.610x=4.26 0.4(x3)=0.72 1.5(10x)=3 2.8(3x)=3.50.2 0.8(x4.8)=5.2(x6)0.5=34x4518=21 1.6x9=3.8 4(0.9x)=4.8(x1.9)5=1.1 0.4200.4x=6 24x8x=28.8 4.5x+1.6x=42.7 (71.4)x=2.8 9x5.26=4.8 (2.5x)0.8=5 0.5(x1.8)=2.4 22.525x=1354(0.3x)=4.80.4200.4x=6 (4x0.32)1.6=2.083.5xx=17.5 4x10=x110 8.95x=2.7 3.5451.7x=13.45 1.6x2x0.7=18 4x0.321.6=2.08 28x3.620 3.5x0.8x11.34 9x145.558 6.2xx41.6 2.8(3x)=3.50.2 3x+27=5012 (x3.7)144 5x311=42 1.820.3x2.47.2x3.6x90.4 0.80.78.1 专心-专注-专业
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