五年级小数加减乘除混合运算计算题练习题.docx
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五年级小数加减乘除混合运算计算题练习题
小数混合运算专项训练
1、解方程。
〔1〕5x=450〔2〕12〔6-x〕=42
×
2、用简便方法计算。
〔1〕0.25××12.5〔2〕36×
×××4
3、用脱式计算。
×÷4.8〕÷
×÷16×〔0.25+1.25〕
÷[14-(9.85+1.07)][60-(9.5+28.9)]÷
÷×3.520×[(2.44-1.8)÷0.4+0.15]
×××
777×9+1111××[15.5-(3.21+5.79)]
×4)÷×4÷(6+3)
×25×7.8+2.22÷÷2
÷×9.95180-705×6
24÷×0.8(4121+2389)÷7
671×15-974469×12+1492
×××
×××0.25
0.78+5.436+14.8×5÷4+1÷4
9.9x5÷6+5÷610.3÷4x8÷9-1÷3
14.31x5÷6-5÷616.5÷9x18-14x2÷7
20.3x2÷9+1÷335.95÷〔64-45〕
36.178-145÷5×÷×5
×××2.4)
××7.1777×9+1111×3
×4〕÷×4÷(6+3)
×25×7.8+2.22÷÷2
÷×÷×9.9
5180-705×624÷×0.8
(4121+2389)÷7671×15-974
469×12+1492405×(3213-3189)
×××0.2-0.62
××24+0.875
××0.250.78+5.436+1
×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
〔947-599〕+76×6436×(913-276÷23)
[192-〔54+38〕]×6781432÷(13×52+78)
〔947-599〕+76×6460-(9.5+28.9)÷
÷××〔15.5-(3.21+5.79)〕
×4〕÷÷×0.9
÷×÷×35〕
×[(10-6.76)÷×0.55)÷8.5
×÷×4.8〔58+37〕÷〔64-9×5〕
812-700÷〔9+31×11〕156×[(17.7-7.2)÷3]
×1.5+2.5〕÷1.685+14×〔14+208÷26〕
120-36×4÷×÷7
×〔1.5+2.5〕÷1.6〔58+37〕÷〔64-9×5〕
×0.55)÷×÷×4.8
×1.5+2.5〕÷1.6120-36×4÷18+35
×0.4-5.7347+45×2-4160÷52
〔58+37〕÷〔64-9×5〕[〔7.1-5.6〕×0.9-1.15]÷
×1.5+2.5〕÷÷×〔3.7-2.9〕+0.62]
12×6÷×6+〔1.5+2.5〕÷
×1.5+2.5〕÷1.6120-144÷18+35
347+45×2-4160÷52〔58+37〕÷〔64-9×5〕
95÷〔64-45〕812-700÷〔9+31×11〕
120-36×4÷×0.55)÷8.5
×÷××〔15.5-(3.21+5.79)〕
×4〕÷×4÷(6+3)
×25×7.8+2.22÷÷2
÷×÷×9.9
5180-705×624÷×0.8
(4121+2389)÷7671×15-974
469×12+1492
405×(3213-3189)
×[(10-6.76)÷1.2]
××24
×
×
×99
××
×102
100-56.23
31.50+160÷40
〔58+370〕÷〔64-45〕
÷18+35
33.347+45×2-4160÷52
34〔58+37〕÷〔64-9×5〕
÷〔64-45〕
÷5×6+42420+580-64×21÷28
÷〔9+31×11〕〔136+64〕×〔65-345÷23〕
38.85+14×〔14+208÷26〕120-36×4÷18+35
〔58+37〕÷〔64-9××0.55)÷8.5
×÷××1.5+2.5〕÷1.6
×〔1.5+2.5〕÷1.631.50+160÷40
〔58+370〕÷÷18+35
33.347+45×2-4160÷5234〔58+37〕÷〔64-9×5〕
÷÷5×6+42
420+580-64×21÷28812-700÷〔9+31×11〕
〔136+64〕×〔65-345÷23〕〔284+16〕×〔512-8208÷18〕
120-36×4÷18+35〔58+37〕÷〔64-9×5〕
×0.55)÷×÷×4.8
×1.5+2.5〕÷×〔1.5+2.5〕÷1.6
÷4=5.38+7.85-5.37=
÷××3-0.43=
××××
297×9991983×21+21×3017
(0.123+123)×100934×24+3481
×0.196+0.094105+895×57
××
76.5+2-2×18449+23×14
31×9952×99+5225×32×125