人教版六年级上册数学计算题专项练习竞赛题.doc

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六年级第一学期计算能力竞赛(20分钟)姓名:_班级:_分数:_一、直接得数(每题1分,共25分)= 3.56= 2= = = = 0.2= 0.3= 4= = = 151= = 0= 24= = 1= = = 9=12= 0.4 3.14= 0.92 = 2.53.4= 28=二、脱式计算,能简算的要简算。(每题4分,共40分)1258 ()24 () 3 3 7 8.92 6.1 0.36101 20 (5.6 + 4.8)1.3 3.2(2.15 + 1.956.5) ( + ) + 36( + ) 三、解方程(每题5分,共35分)10x= 33x = x=18 x =4 4x3 9 = 29 x + x = 4x + = 1024.5 7.86.92.26.9 5.60.258(201.25) 127+352+73+44 89+276+135+3325+71+75+29 +88 243+89+111+57 9405-29402821920-1680407 690+4752-398 148+332864-753602432+730 2100-94+4854 51+(2304-2042)234215+(4361-716)81 (247+18)2725 36-720(36018)1080(63-54)80 (528+912)5-6178 85284138-904264+318-828069 (174+209)26- 9000 814-(278+322)151406+735945 3168-782838+504 796-5040(6307)285+(3000-372)36 1+5/6-19/12 34.5217.8712.23 6.43-(1.4-0.57) 23.758.643.46 17.839.57.830.5 5.38+88.2-2.38+1.8 27.385.342.624.66 21.63(8.59.63) 7.52.457.52.45 0.90.990.999 5.09(0.091.23) 9.36(4.363.5) 609-708+306-108+202-198+497-100 14+15+16+45+46 9999+9998+9997+9996 9999926+3333322 1917559678 36.51.48.513.7 1.33.799.76.21 80.412.52.5 125(80.80.08) 35 78 (25 38 )1.7150 3.98 17.625(4.458 ) 3.356.4726.73.618.7-3.375-6.625 2.54.4 251.2532 (3.754.12.35)9.8 1.28+9.8+7.72+10.2 12 1120 +12 2049计算题练习1 六( ) 姓名 (1)0.8331.25 (2)1718 910 1718 10 (3)9.564.8757 8 1.44 (4)34 616 1 4 (5)4.6138 8.4811 13 8 5 (6)99.999999.9 (7)4123 63 5 (8)1835 1920 225 1920 1920 (9)2225 80813 1.25 (10)251.2548 (11)0.73.94.36.1 (12)7.35997.35 (13)478179 17 (14)46101 (15)15.6227 457 (16)720.25 (17)14214 14334 (18)34 611 317 58 (19)89 715 815 98 8 9 (20)359 720 11 36 (21)76 715 8 15 (22)457 313 127 22 3 (23)57 43 27 43 (24)149 7559 34 (25) (38 56 712 )24 (26)20532656 (27)0.42.50.0750 (28)14 52 (14 16 ) (29)435 114 1.750.4 (30)49625016 (31)10.2(1.252.5)1.5 (32)(13 15 )45 (33)216 (34 712 ) (34)0.31(3.32.95) (35)4949854985 (36)(56 13 )(58 14 ) (37) (23 14 )56 45 511(38)(25 17 )3519 (39)24(14 16 13 ) (40)3.744.86.23.743.74 (41)89 78 (716 18 ) (42)23752.542480 (43)8.64.325 (44)67 (512 0.25)58 (45) 3.6(4.72.3)37 1.2 (46)1.40.686 (47)17.18.81.2 (48)3.625 (49)51 8 174 29 计算题练习2 六( ) 姓名 (50)58 1110 38 1011 (51)920 12 (25 45 ) (52)60(512 415 12 ) (53)17504501832 (54)0.81(3.22.95) (55)(815 920 23 )112 (56)10952635 (57)2.53.70.4 (58)12(13 14 ) (59)(91045 )34 (60)101.125.935.10.85 (61) (58 14 )(89 113 )(62)2.613 235 23 (63)3117 67 (64)1.919.9199.91999.90.4 (65)25 37 47 52 (66)125 (16 14 )1113 (67)14 23 (45815) (68)145 1.25114 2.211 4 (69)135 88 13 1.25 (70)445 44 5 (71)58 (15 14 )3 8 (72)4.81.23.51.4 (73)1.80.258.24 (74)57 23 1415 19 (75)(10512 16 )13 (76)168.1(4.320.4) (77)49 34 (716 14 ) (78)25.125135 17.4 (79)0.3871950 41950 (80)7.83(1.262.17)0.24 (81)611 1712311 (82)18 12 (35 109 ) (83)12.7(6.482.43.9) (84)2919929 (85)53.9(2.1823.9) (86)(57 38 )156 (87)(20.12167 )5.1 (88)7.65.41.95.4 (89)0.256 (0.15920 ) (90)2423 (518 ) (91)7.29.9 (92)15 58 14 23 (93)4057 35.754.25 (94)1644 5 0.75390.75 (95)15421 8 7 16 (96)3.641(21 10 2.09) (97)(1 3 15 415 )45 计算题练习3 六( ) 姓名 (98)(34 34 25 )15 5 (99)22203723 (100)6.24.53.8 (101)29 56 (45 23 ) (102)1056 56 10 (103)34 65 94 35 (104)716 (0.35216 ) (105)(34 13 )89 910 (106)41414 3 (107)815 (712 25 )1514 (108)8.534 0.7556.5113 (109)10.540.90.75 (110)947 937 9 (111)24(56 13 )3 (112)34 (12 78 ) (113)(79 16 )24 (114)511 (45 13 )56 (115)415 78 145 (116) (59 16 )518 (117)3338 (147 16 ) (118) (515 45 )455 (119)(115 13 )1516 (120)8 1194 31149(121)(3512 247 1512 147 )512 (122)41(1920 125 ) (123)747 3.25237 5.48 (124)6434 111 111 3414(125)(18 14 414 )12 (126) (111999)56(37 38 ) (127) (15 18 )160113 (128)15(713 25) (129)6.445 1.25335(130)0.254(56 112 )56 (131)16.57.2557 (12.5 18 )1519 (132)91431679208 (133)2.371.751.631.25 (134)720 1125 1425 72(135)23 (12 23 )27 (136)310 (12 13 )18 (137)(32.574.41.2)0.01 (138)197127.5 (139)75 280(7.286.72) (140)15.632(158)3.6(141)1 2(2425925 )12.5 (142)16554501814
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