五年级上册

2015总决赛第五场_2015五年级上册数学计算题专题练习题

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计算题专题
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(用乘法验算)    (9)0.646÷19     (10)4.7×0.59
 
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×(100-8)

(42)42÷(5.25÷0.25)           (43)0.4+12.6÷0.28×0.2     (44) 8.4-8.4×1.5÷1.8

(45)12.5×4.5+4.5×12.5+12.5         (46) 1.2×98            (47)2.4×1.25×0.3

(48) (20-0.8×9) × 5.7      (49)0.8×13-3.12+5.28        (50) 118-(11.4-12.5×0.8)

(51)50×(6.7×0.02)      (52) (0.25+2.5+25)×0.4       (53) 3.5×1.02+35×0.098
 
(54)0.27×99+0.27       (55) 2.5×3.2×0.125       (56) 13.5÷2.5÷0.125÷0.4÷8

(57) 2.61×4.5+2.61×6.5-2.61         (58) 3.4×1.01          (59) 6.5×1.98

(60)6.8×0.75÷0.5                (61)13.75÷0.125–2.75                  (62)1.53+23.4÷7.2

(63)22.9-13.68+12.68         (64) 4.7×11-4.7           (65) 28.8×6.3-6.3×18.8

(66)4.8+5.2÷4             (67)5.37—(2.37+1.8)          (68)10.01-2.78+1.59

(69)2.85÷1.25÷0.8         (70)10.5×0.25×12      (71) 3.7×91.6+7.3×91.6-91.6

(72)3.2×0.82+3.2×1.18          (73)4.05÷0.5-1.14         (74) 1.58×99+1.58

(75)12.5×0.4×2.5×8           (76)7.75×[20÷(3.24-3.04)]   (77)43.2-1.8×3-4.6

(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+4.7×6.3-4.7      (82)12.5×3.2×0.25      (83)23.4÷7.2+6.5×0.8  

(84)20.64-9.83-0.17   (85)6.8÷(1.2+0.5)×0.04     (86) 7.26-5.4+1.74-1.6  

 (87)2.06+2.06×99              (88)9.5×101     (89)100-2.7÷0.36-2.5×5        

  (90) (1.62+1.62+1.62+1.62)÷1.8×2.5       (91)2.8×0.5+0.5×28.2-0.5

(92)3.2×2.5×1.25   (93) 7.2÷[(7.22-6.4)÷0.9]  (94)4.65×32+2.5×46.5+0.465×430

(95)7.25×67.875+725×0.7875+7250×0.053375    (96)0.46×1.9+0.54×1.9

(97) 3.45×102  (98) 12.5× 88      (99) 13.65÷0.25÷6   (100) 28.98÷6.3 -3.15 
三、解方程
(101)8x=24    (102)x÷0.5=1.2    (103)x-3.8=9.53    (104)4.06+x=7.11

 (105)x÷1.5=1.5    (106) 2.4x=26.4    (107)3x-24=9    (108)13x+2×7=40

(109)96÷6+4x=56 (110)3x-1.2x=9    ( 111)3.6x+2×1.4=8.2     (112)18×0.6-10x=4.26
 
(113)0.4(x-3)=0.72  (114) 1.5×(10-x)=3      (115)2.8÷(3+x)=3.5×0.2
 
(116)0.8(x+4.8)=5.2          (117)(x-6)÷0.5=3          (118)4x-45+18=21

(119)1.6x-9=3.8       (120)4(0.9+x)=4.8      (121) (x-1.9)÷5=1.1 

(122)0.4×20-0.4x=6   (123)24x-8x=28.8  (124)4.5x+1.6x=42.7    (125) (7-1.4)x=2.8

(126) 9x-5.2×6=4.8         (127)(2.5+x)÷0.8=5        (128)0.5×(x-1.8)=2.4

(129)22.5×2+5x=135       (130)4×(0.3+x)=4.8        (131)0.4×20-0.4x=6

(132)(4x-0.32)+1.6=2.08    (133)3.5x-x=17.5         (134)4x-10=x+110

(135)8.9-5x=2.7           (136)3.54×5-1.7x=13.45      (137)1.6x+2x×0.7=18

(138)4x-0.32+1.6=2.08    (139)28-x+3.6=20     (140)3.5x-0.8x=11.34

(141)9x-14×5.5=58        (142)6.2x-x=41.6       (143)2.8÷(3+x)=3.5×0.2

(144)3x+2×7=50          (145)12 (x+3.7)=144             (146)5x-3×11=42

(147)7.2x-3.6x=9×0.4   (148)x-0.8x+0.7x=8.1    (149)1.8×2-0.3x=2.4
 

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