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小数四则混合运算专项练习题(能简便的要简便)

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 小数混合运算专项练习276题(能简便的要简便运算)

(1) 0.11×1.8+8.2×0.11 (14) 5.85÷(1.3+0.5)×6.

(2) 2.34×99+2.34 (15) 17.17﹣6.8﹣3.2﹣6.17

(3) 5.4÷2.7×0.8 (16) 5.4×[(1.3+2.15)÷0.2]

(4) 132×101 (5) 6.25÷1.25÷0.8 (6) 2.5×16. (7) 6.33×101﹣6.33 (8) 1.56×1.7+0.44×1.7 (9) 1.8×[(3.41﹣2.9)÷0.03](10) 0.125×32×2.5. (11) 1.258×18.5﹣0.258×18.5 (12) 8.48÷0.8×0.9 (13) 1.25×2.4

小数混合运算--- 1

17) 8.4÷0.6+8.4÷0.4

18) 16.8×10.1

19) 10.9﹣0.9÷0.2+1.8

20) 1.25×3.2×0.25.

21) 1.36+4.85+2.64+6.15 22) 98.5÷2.5÷4

23) 5.4÷[2.5×(3.7﹣2.9)]

24) 0.8×(4﹣3.68)÷0.01 25) 83.7﹣12.83﹣0.17 26) 5.96+13×(3.2﹣3.12)

((( ((

(((

((27) 4.32÷2.4×1.7; (40) 1.25×32×0.25.

(28) 16.2×4.5+3.8×4.5; (41) 15.68﹣(7.78﹣4.32)﹣2.32

(29) 9.05﹣3.86﹣3.14; (42) 0.25×3.2×1.25

(30) 7.28+0.72÷0.9 (31) 4.32+5.43+6.68 (32) 17.17﹣6.8﹣3.2 (33) 5.29×9+5.29 (34) 16.8×10.1 (35) 2.74×9.5+5×0.274 (36) 0.36+9.6÷3.2. (37) 3.75×25+6.25×25 (38) 25.46﹣8.23﹣1.76 (39) 2.9+7.1×10 小数混合运算--- (43) (44) (45) (46) (47) (48) (49) (50) (51) (52) 2

9.99×1.01

4.63×1.4+46.3×0.86

17.5÷0.8÷12.5

0.9+9.9+99.9+999.9.

2.9×99+2.9

25×11.2×4

23.25﹣6.75﹣3.25.

125×3.2×2.5

3.6×10.1

5.8×2.7+0.58×73

(53) 3.6+6.4×1.8 (65) 0.8×6.3﹣0.8×3.8

(54) (1.48+3.02)÷(3.6×0.5) (66) 504÷3.2×2.08

(55) (36.7﹣4.9)×101﹣31.8. (67) (20﹣0.8×9)×5.7

(56) 6.33×101﹣6.33 (57) 35.6﹣5×1.73 (58) 1.6×55.4﹣55.4×0.6 (59) 17.68÷5.2+2.7×1.5. (60) 1.08×0.8÷0.27 (61) 102×0.45 (62) 22.78÷1.25÷0.8 (63) 0.34×101﹣0.34. (64) 0.125×32×2.5 小数混合运算--- (68) (69) (70) (71) (72) (73) (74) (75) (76) (77) 3

2.4×1.5+3.6÷1.5

7.38﹣5.14+3.62﹣2.86

0.12×1.8+8.2×0.12

5.4÷[0.51÷(1.2﹣1.03)]

[(8.1﹣5.6)×0.9﹣1.05]÷0.04.10.8﹣0.8÷(0.35+0.05)

8×[1÷(2.3﹣2.25)]

2.64×9.9+0.264

4.52+0.61+1.39+6.48 4.27﹣(1.96﹣1.73)

(78) (294.4﹣19.2×6)÷(6+8) (91) 29.7÷(5.85÷0.65)

(79) 12.5×0.76×0.4×8×2.5. (92) 7.4×9.9

(80) 4.98+8.02×2.5 (93) 3.84﹣2.7×0.64

(81) 60.8﹣40.8÷2.5 (82) 0.8×69.6×12.5 (83) 4.98×99+4.9 (84) 6.48÷3.2÷2.5 (85) 1.2×7.6+7.6×6.8. (86) (9.4﹣5.8)×2.07 (87) 12.54﹣4.56﹣3.44﹣1.54 (88) (9.36×5+9.36+9.36×2)×1.25 (89) 7.236÷0.18﹣14.3×0.02. (90) 9.6÷0.4×0.25 小数混合运算--- (94) (95) (96) (97) (98) (99) (100)(101)(102)4

8.68﹣8.68÷0.56×0.5

4.7×4.7+4.7+4.3×4.7.

2.72÷[(8.2﹣6.5)×0.5];9.12+9.12×9﹣60.2;

28.4÷0.4÷0.25;

27.36﹣27.36÷7.6.

3.25×0.45+6.75×0.45

31.5﹣24.5÷3.5

7.5×102

(103) 6.3+3.7×2.8. (116) 52.4﹣(15+0.6)÷1.6

(104) 2.15+8.73+1.27+7.85 (117) 9.87×99+9.87

(105) 11.87﹣(8.2+1.87) (118) 46.8÷0.9÷0.4

(106) 5.42﹣3.87﹣1.13 (107) 4.38﹣1.56+0.62﹣0.44 (108) 0.4×270×2. (109) (40+1.25)×8 (110) (12.5﹣0.05)×8 (111) 2.6×8.5+8.5×7.4 (112) 9.9×6.9﹣6.9×3.9 (113) 5.6×99+5.6 (114) 2.5×(1.9+1.9+1.9+1.9)(115) 7.2÷1.25÷8. 小数混合运算--- (119)(120)(121)(122)(123)(124)(125)(126)(127)(128)5

5.5×17.3+6.7×5.5.

99×4.2+4.2

0.25×1.25×3.2

6.4×14+15×6.4+6.4

(1.3+1.3×0.125×8)÷(80﹣77.4)4×(25+2.5+0.25)÷111

6.25÷〔(17.2﹣3.6×4.5)÷0.32〕 28.4×99+28.4

0.94×2.5﹣0.45

4×0.8×12.5×2.5

(129) 17.5÷0.25×17+13. (141) 31.7÷0.63(保留2位小数)

(130) 10.1×87 (142) 2.4×1.5+3.6÷1.5

(131) 2.3+3.19÷(22﹣19.8) (143) 0.32×0.25+0.08÷4

(132) 1.25×7.2. (133) 9.1﹣1.2÷6﹣6.24 (134) 7.3+12.8﹣3.8×2.3 (135) (5.36+7.64)÷13×100 (136) 7.575÷[(5.63﹣1.88)×0.2]. (137) 7.5﹣(5.5+1.24) (138) 0.26+15.68+9.74+2.32 (139) 13.26+9.55﹣3.26 (140) 6.1+3.9﹣6.1+3.9. 小数混合运算--- (144)(145)(146)(147) (148) (149) (150) (151) (152) (153) 6

(9.6+1.48÷3.7)÷8

5.8÷[4×(1.34﹣0.14)]

5.4÷[0.51÷(1.2﹣1.03)].

21.35﹣3.25﹣16.75 33.02﹣(148.4﹣90.85)÷2.5

32×2.5×0.125 18.1+(3﹣0.299÷0.23)×1.

67﹣(2.98+0.67)

8×16﹣73.8×6

(45+14)÷73+710.

(154) 13.7×0.125×8 (166) (0.4+40)×2.5

(155) 0.8×[13﹣(3.12+5.28)] (167) 78.7﹣17.7×3.6

(156) 102×0.56 (168) 18÷[0.3×(8﹣6.5)]

(157) 1.53×1.7+0.47×1.7. (158) 5.18+0.73+0.82 (159) 0.75×1.8÷1.5 (160) 12.5×7.1×0.8 (161) 6.12×99+6.12 (162) 8.6÷0.86+8×0.35 (163) 5.6×(18.5﹣8.5÷0.5) (164) 0.125×4.78×80 (165) 2.8×3.6+1.4×2.8 小数混合运算--- (169) (170) (171) (172) (173) (174) (175) (176) (177) (178)7

12.7+12.5+0.5.

91÷2.6÷0.05=

6.3×3.7+6.3×6.3=

(3.7+1.7×0.4)÷2.5=

7.28+3.2÷2.5=

0.74+0.9×7.4=

7.8÷0.125÷0.8=

37.5÷[0.3×(1.34﹣0.84)](2.5+27.75÷1.5)×1.6.

6.21﹣3.8+2.2

(179) 6.03+3.7+2.97 (191) 4.62÷5÷0.66

(180) 17.43﹣6.57﹣2.43 (192) 5.78×2.3+5.78+5.78×6.7

(181) 20.47﹣(1.47+6.8) (193) 7.75×[20÷(3.24﹣3.04)].

(182) 13.26+4.71+3.47+5.29 (183) 22.74+8.68﹣13.74. (184) 10÷0.2÷2.5 (185) 64×4.5+3.6×45 (186) 1.25×3.2×0.8 (187) 14.5×102 (188) 14.64+3.7×2.8 (189) 8.4÷0.21÷0.5. (190) 0.125×9×8×0.3 小数混合运算--- (194) (195) (196) (197) (198) (199) (200) (201) (202) (203) 8

1.25×0.5×8×0.2

0.97×9+0.97

5.4÷[3×﹙3.8﹣2.9﹚].

0.4×(3.2﹣0.8)÷0.15 5.7+1.9×0.2÷7.6

32.4×6.3+32.4×3.7 18.2﹣10.6×(0.9﹣0.75)

0.25×3.85×40 1.46×3.5+3.5×4.54.

7×12.5×0.8

(204) 4.7×3.6+4.7×6.4 (217) 9.08+5.45+11.92+4.55

(205) 1.45×[(2.8+4.4)÷2.4]. (218) 1.25×30×1.2×0.8.

(206) 4.2×(6.18﹣3.03)+6.3 (219) 0.6+0.94﹣0.208

(207) 15.02﹣6.8﹣(1.02+1.2 ) (208) 0.6×[(5﹣0.68)÷1.2] (209) 2.7÷4+6.3×0.25 (210) (6.02+2.8 )÷0.4﹣2.05 (211) 3.08×3.5+6.2×3.08+3.08×0.3. (212) 2.3+3.91÷(22﹣19.7) (213) 21.6÷[64.8﹣(48.6﹣2.7×2)]. (214) 93.6×3.6+1.4×3.6 (215) 0.25×0.8×0.125×0.4 (216) 2.7×1.5﹣2.7 小数混合运算--- (220) (221) (222) (223) (224) (225) (226) (227) (228) (229) 9

4.85×1.25×8

(64﹣22.4÷1.4)×1.2

18.3﹣6.25﹣3.75

2.8×3.6+1.4×2.8

6.6÷〔14.5﹣(1.7+1.8)〕

0.25×9.87×4

36.7×2.1+10.8

8.45﹣0.45×0.1

0.73×102

7.8×5.6+2.3×4.4

(230) 76.3×27﹣76.3×17. (243) 205×0.99

(231) 7.05×23.7+7.05×76.3. (244) 25.6﹣7.49﹣2.51

(232) [(7.6﹣5.2)÷0.4+2.54]×32. (245) [2.5﹣(6.8﹣4.9)]×0.8.

(233) 17.68÷5.2+2.7×1.5 (234) 35.6﹣5×1.73 (235) (1.1﹣0.78)×(2.7﹣1.95) (236) 1.3×0.75×4 (237) 1.08÷1.8×1.2 (238) 50.4×1.9﹣1.8 (239) 0.82×0.25+1.18×0.25. (240) 8.5×[(2.36+2.42)÷0.25] (241) 3.9÷[(1.3+0.6)×6﹣3.6] (242) 4.25×6.3+3.7×4.25 小数混合运算--- (246) (247) (248) (249) (250) (251)

(252) (253) (254) 10

102×4.5

3.4÷[(1.2+0.5)×5]

8×(20﹣1.25)

0.654+10.9×6.5

22.7×1.25×0.8

3.91×2.8+6.09×2.8.

6.23+3.09=

132.4﹣59.8=

6.62×0.84=

(255) 2.07÷0.023= (267) 38.78﹣19.59+41.22﹣30.41

(256) [20.026﹣(8.6+9.7)×0.92]÷30.19. (268) 2.74×4.86+4.86×6.26+4.86

(257) 0.125×32×2.5 (269) 0.08×(12.5+2.5)×0.1

(258) 0.8×6.3﹣0.8×3.8 (259) 50.4÷3.2×2.08 (260) 204÷(3.4×0.5) (261) (43.26+2.34)÷7.5 (262) (20﹣0.8×9)×5.7. (263) 13.25﹣0.8+1.75﹣1.2; (264) 2.5×99+2.5; (265) 10.36+4.8﹣16.5÷5; (266) 12.5×2.4.

小数混合运算---

(270) (271) (272) (273)(274)(275) (276)

11

25.92+(10.1﹣14.5×0.2)

0.487×12.5÷48.7

(8.16+2.09)÷[(10.3﹣9.3)÷0.4].1.56×1.7+0.44×1.7

12.5×(7.2﹣1.9)×0.8

0.25×2010+20.10×75

30.8÷[(6.34﹣4.59)×4].

小数混合运算--- 12

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