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页数:3页
时间:2018-11-13
《小数混合运算计算题》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、2、列竖式计算。(6分)(1)2.58×3.5(2)3.572÷0.47(3)329÷223、解方程。(12分)(1)5x=450(2)12(6-x)=42(3)1.2×6+4x=12(4)8.5x-x=22.54、用简便方法计算。(8分)(1)0.25×3.2×12.5(2)36×10.1(3)0.25×44(4)22.2×4+17.8×45、用递等式计算。(12分)(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)
2、30.8÷[14-(9.85+1.07)][60-(9.5+28.9)]÷0.182.881÷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+2.45×7.1777×9+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÷236.25÷4.25×9.95180-705×624÷2.4-2.5×0.8(4121+2389)÷7671×15-97446
3、9×12+149219.4×6.1×2.35.67×0.2-0.6218.1×0.92+3.930.4×0.7×0.250.78+5.436+14.8×5÷4+1÷49.9x5÷6+5÷610.3÷4x8÷9-1÷314.31x5÷6-5÷616.5÷9x18-14x2÷720.3x2÷9+1÷335.95÷(64-45)36.178-145÷5×6+427.2÷0.8-1.2×56.5×(4.8-1.2×4)28-(3.4+1.25×2.4)2.55×7.1+2.45×7.1777×9+1111×3(31.8+3.2×4)÷5
4、31.5×4÷(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)19.4×6.1×2.35.67×0.2-0.6218.1×0.92+3.930.043×24+0.8750.4×0.7×0.250.78+5.436+14.07×0.86+9.12240×78÷(154-115)1437×27+27×563〔75-(
5、12+18)〕÷152160÷〔(83-79)×18〕280+840÷24×5325÷13×(266-250)85×(95-1440÷24)58870÷(105+20×2)1437×27+27×56381432÷(13×52+78)[37.85-(7.85+6.4)]×30156×[(17.7-7.2)÷3](947-599)+76×6436×(913-276÷23)[192-(54+38)]×6781432÷(13×52+78)(947-599)+76×6460-(9.5+28.9)÷0.182.881÷0.43-0.24×3
6、.50.8×〔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)÷8.50.12×4.8÷0.12×4.8(58+37)÷(64-9×5)812-700÷(9+31×11)(3.2×1.5+2.5)÷1.685+14×(14+208÷26)120-36×4÷18+359.72×1.6-18.305÷73.2×(1.5+2.5)÷1.6(58+37)÷(64-9×5
7、)(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+35.15-10.75×0.4-5.7347+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)÷1.65.4÷[2.6×(3.7-2.9)+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
8、)÷(64-9×5)95÷(64-45)812-700÷(9+31×11)120-36×4÷18+35(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.80.8×〔15.5-(3.21+5.79)〕(31.8+3.2×4)÷531.5×4÷(6
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