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五年级小数加减乘除混合运算计算题练习题之欧阳光明创编

来源:哗拓教育
*欧阳光明*创编 2021.03.07

小数混合运算专项训练

欧阳光明(2021.03.07)

1、解方程。

(1)5x=450 (2)12(6-x)=42 (3)1.2×6+4x=12 (4)8.5x-x=22.5 2、用简便方法计算。

(1)0.25 ×3.2×12.5 (2)36×10.1 (3)0.25×44 (4)22.2×4+17.8×4 3、用脱式计算。

(1)2.6+1.4×1.5-1.5 (2)(37-3.6÷4.8)÷12.5

(3)2.6+2.4×(1.4-1.05)(4)15.6÷16×(0.25+1.25)

30.8÷[14-(9.85+1.07)][60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.520×[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25×2.4)2.55×7.1+2.45×7.1 777×9+1111×30.8×[15.5-(3.21+5.79)] (31.8+3.2×4) ÷ 531.5×4÷(6+3) 0.64×25×7.8+2.22÷2.5+2.5÷2 36.25÷4.25×9.9 5180-705×6 24÷2.4-2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 19.4×6.1×2.35.67×0.2-0.62

*欧阳光明*创编 2021.03.07

*欧阳光明*创编 2021.03.07

18.1×0.92+3.93 0.4×0.7×0.25 0.78+5.436+1 4. 8× 5÷4+1÷4 9. 9x5÷6+5÷6 10. 3÷4x8÷9-1÷3 14. 31x5÷6-5÷6 16. 5÷9x18-14x2÷7 20. 3x2÷9+1÷3 35. 95÷(64-45) 36. 178-145÷5×6+42 7.2÷0.8-1.2×5 6.5×(4.8-1.2×4) 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×3 (31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64.8÷1.8×0.9 36.72÷4.25×9.9 5180-705×6 24÷2.4-2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.93 0.043×24+0.875 0.4×0.7×0.25 0.78+5.436+1

4.07×0.86+9.12240×78÷(154-115) 1437×27+27×563〔75-(12+18)〕÷15 2160÷〔(83-79)×18〕280+840÷24×5 325÷13×(266-250)85×(95-1440÷24) 58870÷(105+20×2)1437×27+27×563 81432÷(13×52+78)[37.85-(7.85+6.4)] ×30

*欧阳光明*创编 2021.03.07

*欧阳光明*创编 2021.03.07

(947-599)+76×64 36×(913-276÷23) [192-(54+38)]×67 81432÷(13×52+78) (947-599)+76×6460-(9.5+28.9)÷0.18 2.881÷0.43-0.24×3.50.8×〔15.5-(3.21+5.79)〕 31.8 3.2×4)÷5194-64.8÷1.8×0.9 36.72÷4.25×9.93.416÷(0.016×35)

0.8×[(10-6.76)÷1.2] (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8(58+37)÷(64-9×5) 812-700÷(9+31×11)156×[(17.7-7.2)÷3] (3.2×1.5+2.5)÷1.6 85+14×(14+208÷26) 120-36×4÷18+35 9.72×1.6-18.305÷7 3.2×(1.5+2.5)÷1.6(58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.50.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 120-36×4÷18+35 15-10.75×0.4-5.7 347+45×2-4160÷52

(58+37)÷(64-9×5) [(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6 5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6 3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6 120-144÷18+35 347+45×2-4160÷52 (58+37)÷(64-9×5) 95÷(64-45) 812-700÷(9+31×11) 120-36×4÷18+35(6.8-6.8×0.55)÷8.5

0.12× 4.8÷0.12×4.8 0.8×〔15.5-(3.21+5.79)〕

*欧阳光明*创编 2021.03.07

*欧阳光明*创编 2021.03.07

(31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64.8÷1.8×0.9 36.72÷4.25×9.9 5180-705×6 24÷2.4-2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 0.8×[(10-6.76)÷1.2] 19.4×6.1×24 5.67×0.2-0.62 18.1×0.92+3.93 24+0.875×99 0.4×0.7×0.25 0.75×102 100-56.23 31.50+160÷40 (58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45)

36.178-145÷5×6+42 420+580-64×21÷28

37.812-700÷(9+31×11) (136+64)×(65-345÷23)

*欧阳光明*创编 2021.03.07

*欧阳光明*创编 2021.03.07

38.85+14×(14+208÷26) 120-36×4÷18+35 (58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 3.2×(1.5+2.5)÷1.6 31.50+160÷40 (58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 420+580-64×21÷28 812-700÷(9+31×11)

(136+64)×(65-345÷23) (284+16)×(512-8208÷18) 120-36×4÷18+35 (58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 (23.2×(1.5+2.5)÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7÷0.8-1.2×5= 6-1.19×3-0.43=

47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 297×9991983×21+21×3017 (0.123+123) ×100934×24+3481 0.8×0.196+0.094105+895×57 32.47×23+2739.01×18.3-901 76.5+2-2×18449+23×14 31×9952×99+5225×32×125

*欧阳光明*创编 2021.03.07

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