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1、更多免费资源下载绿色圃中小学教育网 http:/www.L 课件|教案|试卷|无需注册绿色圃中小学教育网 Http:/WWW.LSPJY.COM计算题专题一、 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(用乘法验算) (9)0.64619 (10)4.70.59 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)91.20.5
2、7 (17) 84.841.2 (18) 5.636.1 (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)28.7431 3、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绿色圃小学教育网 http:/www.L 绿色圃中学资源网 http
3、:/cz.L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)(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(48) (200.89) 5.7 (49)0.8133.125.28 (50) 118(11.412.50.8)(51)50(6.70.02) (52) (0.252.525)0.4 (53) 3.51.02+350.098更多免费资源下载绿色圃中小学教育网 htt
4、p:/www.L 课件|教案|试卷|无需注册绿色圃中小学教育网 Http:/WWW.LSPJY.COM(54)0.27990.27 (55) 2.53.20.125 (56) 13.52.50.1250.48(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)22.913.6812.68 (64) 4.7114.7 (65) 28.86.36.318.8 (66)4.85.24 (67)5.37(2.371.8) (68)10.012.781
5、.59(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 (74) 1.58991.58(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)12.53.20.25 (83)23.47.26.50.8 (84)20.649.830.17 (85)6.8(1.2+0.5)0
6、.04 (86) 7.265.41.741.6 (87)2.062.0699 (88)9.5101 (89)1002.70.362.55(90) (1.621.621.621.62)1.82.5 (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 (95)7.2567.875+7250.7875+72500.053375 (96)0.461.90.541.9(97) 3.45102 (98) 12.5 88 (99) 13.650.256 (100) 28.986.3 -3.1
7、5 三、解方程 (101)8x24 (102)x0.51.2 (103)x3.8=9.53 (104)4.06x=7.11(105)x1.5=1.5 (106) 2.4x=26.4 (107)3x24=9 (108)13x+27=40更多免费资源下载绿色圃中小学教育网 http:/www.L 课件|教案|试卷|无需注册绿色圃中小学教育网 Http:/WWW.LSPJY.COM(109)966+4x=56 (110)3x1.2x=9 ( 111)3.6x21.48.2 (112)180.610x=4.26(113)0.4(x3)=0.72 (114) 1.5(10x)=3 (115)2.8(3x
8、)=3.50.2(116)0.8(x4.8)=5.2 (117)(x6)0.5=3 (118)4x4518=21绿色圃小学教育网 http:/www.L 绿色圃中学资源网 http:/cz.L(119)1.6x9=3.8 (120)4(0.9x)=4.8 (121) (x1.9)5=1.1 (122)0.4200.4x=6 (123)24x8x=28.8 (124)4.5x+1.6x=42.7 (125) (71.4)x=2.8(126) 9x5.26=4.8 (127)(2.5x)0.8=5 (128)0.5(x1.8)=2.4(129)22.525x=135 (130)4(0.3x)=4.
9、8 (131)0.4200.4x=6(132)(4x0.32)1.6=2.08 (133)3.5xx=17.5 (134)4x10=x110(135)8.95x=2.7 (136)3.5451.7x=13.45 (137)1.6x2x0.7=18(138)4x0.321.6=2.08 (139)28x3.620 (140)3.5x0.8x11.34(141)9x145.558 (142)6.2xx41.6 (143)2.8(3x) =3.50.2(144)3x+27=50 (145)12 (x3.7)144 (146)5x311=42(147)7.2x3.6x90.4 (148)0.80.78.1 (149)1.820.3x2.4绿色圃小学教育网 http:/www.L 绿色圃中学资源网 http:/cz.L