五年级小数、分数简便运算练习题(共10页).doc
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五年级小数、分数简便运算练习题(共10页).doc
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5.83×24.27 (45.932.7)÷8÷0.125 9.7×999.74.36×12.5×8 15.6×13.115.615.6×2.1 0.65×10127.5×3.77.5×3.7 8.54÷2.5÷0.4 3.83×4.563.83×5.4452.8÷0.4÷0.25 586-45×81÷27 0.25×16.2×4 3.72×3.56.28×3.5 3.6×102 4.8×7.878×0.52 6.4×0.253.6×0.25 4.84.8×0.5 (1.250.125)×8 4.8×100.1 56.5×9.956.5 7.09×10.80.8×7.09 320÷1.25÷8 18.76×9.918.76 3.52÷2.5÷0.4 .25×2.5×32 3.65×10.1 3.63.6×0.8 15.2÷0.25÷4 4.2×994.2 0.89×100.1 一、 竖式计算。1、(得数保留一位小数)(1)0.38×0.23 ( 2) 5.79×3.6 (3) 4.6×0.25 (4)6÷24 (5)52.95÷75 (6) 3.01÷7(7)4.95÷11 (8)84.01÷31(用验算) (9)0.646÷19 2、(除不尽的保留两位小数)(11)3÷1.2 (12) 2.7÷0.36 (13) 88.4÷1.7 (14) 7.525÷0.38 (15)4÷15 (16)91.2÷0.57 (17) 84.84÷1.2 (18) 5.63÷6.1 (19)56÷77 (20)1.47÷4.2 (21)19.19÷0.95 (22) 56.29÷6.1(23)23÷33 (24)7.41÷0.57 (25) 21÷240 (26)9.68÷16 (27) 3.85÷0.76 (28)53.3÷4.7 (29)56.29÷6.1 (30)28.74÷31 3、得数用循环小数表示。 (31) 0.2÷0.06 (32) 13÷11 (33)30.1÷33 (34) 17÷15 (35)7.8÷2.2 (36)5.52÷9 (37)67.8÷11 (38)8÷7二、能简便计算的要简便计算 (39)2.5×3.6×0.9 (40)12.5×0.3×8.8 (41)1.25×(1008)(42)42÷(5.25÷0.25) (43)0.412.6÷0.28×0.2 (44) 8.48.4×1.5÷1.8 (45)12.5×4.5+4.5×12.5+12.5 (46) 1.2×98 (47)2.4×1.25×0.3(52) (0.252.525)×0.4 (53) 3.5×1.02+35×0.098 (54)0.27×990.27 (55) 2.5×3.2×0.125 (56) 13.5÷2.5÷0.125÷0.4 (57) 2.61×4.52.61×6.52.61 (58) 3.4×1.01 (59) 6.5×1.98(60)6.8×0.75÷0.5 (61)13.75÷0.1252.75 (62)1.53+23.4÷7.2 (63)22.913.6812.68 (64) 4.7×114.7 (65) 28.8×6.36.3×18.8(66)4.85.2÷4 (67)5.37(2.371.8) (69)2.85÷1.25÷0.8 (70)10.5×0.25×12 (71) 3.7×91.6+7.3×91.691.6 (72)3.2×0.823.2×1.18 (73)4.05÷0.51.14 (75)12.5×0.4×2.5×8 (76)7.75×20÷(3.24-3.04) (77)43.21.8×34.6 (78)4.2×7.8+2.2×4.2 (79) 0.87×3.16+4.64 (80)12.5×4.8(81)4.7×4.7+4.7×6.34.7 (82)12.5×3.2×0.25 (83)23.4÷7.26.5×0.8 (84)20.649.830.17 (85)6.8÷(1.2+0.5)×0.04 (86) 7.265.41.741.6 (87)2.062.06×99 (88)9.5×101 (91)2.8×0.50.5×28.20.5 (92)3.2×2.5×1.25 (93) 7.2÷(7.226.4)÷0.9 (94)4.65×32+2.5×46.5+0.465×430 (96)0.46×1.90.54×1.9 (97) 3.45×102 (98) 12.5× 88 (99) 13.65÷0.25÷4 (100) 28.98÷6.3 -3.15 三、解方程8x24 x÷0.51.2 x3.8=9.53 2.4x=26.4 4.06x=7.11 x÷1.5=1.5 3x24=9 13x+2×7=40 96÷6+4x=56 3x1.2x=9 3.6x2×1.48.2 18×0.610x=4.26 0.4(x3)=0.72 1.5×(10x)=3 2.8÷(3x)=3.5×0.2 0.8(x4.8)=5.2 (x6)÷0.5=3 4x4518=21 1.6x9=3.8 4(0.9x)=4.8 (x1.9)÷5=1.1 0.4×200.4x=6 24x8x=28.8 4.5x+1.6x=42.7 (71.4)x=2.8 9x5.2×6=4.8 (2.5x)÷0.8=5 0.5×(x1.8)=2.4 22.5×25x=135 4×(0.3x)=4.8 0.4×200.4x=6 (4x0.32)1.6=2.08 3.5xx=17.5 4x10=x110 8.95x=2.7 3.54×51.7x=13.45 1.6x2x×0.7=18 4x0.321.6=2.08 28x3.620 3.5x0.8x11.34 9x14×5.558 6.2xx41.6 2.8÷(3x)=3.5×0.2 3x+2×7=50 12 (x3.7)144 5x3×11=42 1.8×20.3x2.47.2x3.6x9×0.4 0.80.78.1 专心-专注-专业