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时间:2020-04-09
《五年级小数加减乘除混合运算计算题练习试题.docx》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、---------.小数混合运算专项训练1、解方程。(1)5x=450(2)12(6-x)=42(3)1.2×6+4x12=(4)8.5x-x=22.52、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+17.8×43、用脱式计算。(1)2.6+1.4×11.5.5-(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-
2、(9.85+1.07)][60-(9.5+28.9)]÷0.182.881÷0.-430.24×3.520×[(2.44-1.8)÷0.4+0.15]28-(3.4+1.25×2.4)2.55×7.1+2.45×7.1777×9+1111×30.8×[15-.(35.21+5.79)](31.8+3.2×4)÷531.5×4÷(6+3)..-------------.0.64×25×7.8+2.22÷2.5+2.5÷236.25÷4.25×9.95180-705×624÷2.4-2.5×0.8(41
3、21+2389)÷7671×15-974469×12+149219.4×6.1×2.35.67×0-0.2.6218.1×0.92+3.930.4×0.7×0.25..-------------.0.78+5.436+14.8×5÷4+1÷49.9x5÷6+5÷610.3÷4x8-1÷9314.31x5÷6-5÷616.5÷9x-184x2÷720.3x2÷9+1÷335.95÷64(-45)36.178-145÷5×6+427.2÷0-.18.2×56.5×(4.8-1.2×4)28-(3.4+1
4、.25×2.4)2.55×7.1+2.45×7.1777×9+1111×3..-------------.(31.8+3.2×4)÷531.5×4÷(6+3)0.64×25×7.8+2.22÷2.5+2.5÷2194-64.8÷1.8×0.936.72÷4.25×9.95180-705×624÷2.4-2.5×0.8(4121+2389)÷7671×15-974469×12+1492405×(3213-3189)19.4×6.1×2.35.67×0-0.2.62..-------------.18.
5、1×0.92+393.0.043×24+0.8750.4×0.7×0.250.78+5.436+14.07×0.86+9.12240×78÷154(-115)1437×27+27×563〔75-(12+18)〕÷152160÷〔(83-79)×18〕280+840÷24×5325÷13×(266250)-85×(95-1440÷24)58870÷(105+20×2)1437×27+27×563..-------------.81432÷(13×5278)+[37.85-(7.85+6.4)]×30(
6、947-599)+76×6436×(913-276÷23)[192-(54+38)]×6781432÷(13×5278)+(947-599)+76×6460-(9.5+28.9)÷0.182.881÷0.43-0.24.5×30.8×15〔.5-(3.21+5.79)〕..-------------.31.83.2×4)÷5194-64.8÷1.8×0.936.72÷4.25×9.93.416÷(0.016×35)0.8×[(10-6.76)÷1.2](6.8-6.8×0.55)÷8.50.12×4
7、.8÷0.12×4(.858+37)÷(64-9×5)812-700÷(9+31×11)156×[(17.-77.2)÷3](3.2×1.5+2.5)÷1.685+14×(14+208÷26)..-------------.120-36×4÷18+359.72×1-.186.305÷73.2×(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)÷1.6120-36×4÷18+3515-10.75×0
8、-5.4.7347+45×2-4160÷52(58+37)÷(64-9×5)[(7.1-5.6)×0-.91.15]÷2.5..-------------.(3.2×1.5+2.5)÷1.65.4÷[2.63×.7(-2.9)+0.62]12×6÷(12-7.2)-63.2×6+1(.5+2.5)÷1.6(3.2×1.5+2.5)÷1.6120-144÷18+35347+45×2-4160÷52(58+37)÷(64-9×5)95÷(64-45)812-700÷(9+
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