小數(shù)四則混合運(yùn)算專項(xiàng)練習(xí)題

小數(shù)混合運(yùn)算專項(xiàng)練習(xí)276題(能簡(jiǎn)便的要簡(jiǎn)便運(yùn)算)0.11×1.8+8.2×0.11 2.34×99+2.34 5.4÷2.7×0.8132×101 6.25÷1.25÷0.8 2.5×16．6.33×101﹣6.33 1.56×1.7+0.44×1.71.8×[（3.41﹣2.9）÷0.03]0.125×32×2.5．1.258×18.5﹣0.258×18.5 8.48÷0.8×0.91.25×2.4 5.85÷（1.3+0.5）×6．17.17﹣6.8﹣3.2﹣6.17 5.4×[（1.3+2.15）÷0.2] 8.4÷0.6+8.4÷0.416.8×10.1 10.9﹣0.9÷0.2+1.8 1.25×3.2×0.25．1.36+4.85+2.64+6.1598.5÷2.5÷45.4÷[2.5×（3.7﹣2.9）]0.8×（4﹣3.68）÷0.0183.7﹣12.83﹣0.175.96+13×（3.2﹣3.12）4.32÷2.4×1.7；16.2×4.5+3.8×4.5；9.05﹣3.86﹣3.14；7.28+0.72÷0.94.32+5.43+6.68 17.17﹣6.8﹣3.2 5.29×9+5.2916.8×10.1 2.74×9.5+5×0.274 0.36+9.6÷3.2．3.75×25+6.25×25 25.46﹣8.23﹣1.76 2.9+7.1×10 1.25×32×0.25．15.68﹣（7.78﹣4.32）﹣2.32 0.25×3.2×1.25 9.99×1.014.63×1.4+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 6.3+3.7×2.8．2.15+8.73+1.27+7.85 11.87﹣（8.2+1.87） 5.42﹣3.87﹣1.134.38﹣1.56+0.62﹣0.44 0.4×270×2． （40+1.25）×8（12.5﹣0.05）×8 2.6×8.5+8.5×7.4 9.9×6.9﹣6.9×3.95.6×99+5.6 2.5×（1.9+1.9+1.9+1.9） 7.2÷1.25÷8．52.4﹣（15+0.6）÷1.69.87×99+9.87 46.8÷0.9÷0.4 5.5×17.3+6.7×5.5．99×4.2+4.2 0.25×1.25×3.26.4×14+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 17.5÷0.25×17+13．10.1×87 2.3+3.19÷（22﹣19.8） 1.25×7.2．

9.1﹣1.2÷6﹣6.24 7.3+12.8﹣3.8×2.3（5.36+7.64）÷13×100 7.575÷[（5.63﹣1.88）×0.2]．7.5﹣（5.5+1.24） 0.26+15.68+9.74+2.32 13.26+9.55﹣3.26 6.1+3.9﹣6.1+3.9．31.7÷0.63（保留2位小數(shù)）2.4×1.5+3.6÷1.50.32×0.25+0.08÷4（9.6+1.48÷3.7）÷85.8÷[4×（1.34﹣0.14）]5.4÷[0.51÷（1.2﹣1.03）]．21.35﹣3.25﹣16.7533.02﹣（148.4﹣90.85）÷2.532×2.5×0.12518.1+（3﹣0.299÷0.23）×1．67﹣（2.98+0.67）8×16﹣73.8×6（45+14）÷73+710．13.7×0.125×8 0.8×[13﹣（3.12+5.28）]102×0.56 1.53×1.7+0.47×1.7．5.18+0.73+0.82 0.75×1.8÷1.5 12.5×7.1×0.86.12×99+6.12 8.6÷0.86+8×0.355.6×（18.5﹣8.5÷0.5）

0.125×4.78×80 2.8×3.6+1.4×2.8 （0.4+40）×2.578.7﹣17.7×3.6 18÷[0.3×（8﹣6.5）] 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 6.03+3.7+2.9717.43﹣6.57﹣2.43 20.47﹣（1.47+6.8）13.26+4.71+3.47+5.29 22.74+8.68﹣13.74．10÷0.2÷2.5 64×4.5+3.6×45 1.25×3.2×0.814.5×102 14.64+3.7×2.8 8.4÷0.21÷0.5．0.125×9×8×0.3 4.62÷5÷0.665.78×2.3+5.78+5.78×6.7 7.75×[20÷（3.24﹣3.04）]．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）÷0.155.7+1.9×0.2÷7.632.4×6.3+32.4×3.718.2﹣10.6×（0.9﹣0.75）0.25×3.85×401.46×3.5+3.5×4.54．7×12.5×0.8 4.7×3.6+4.7×6.4 1.45×[（2.8+4.4）÷2.4]．4.2×（6.18﹣3.03）+6.315.02﹣6.8﹣（1.02+1.2）0.6×[（5﹣0.68）÷1.2]2.7÷4+6.3×0.25（6.02+2.8）÷0.4﹣2.053.08×3.5+6.2×3.08+3.08×0.3．2.3+3.91÷（22﹣19.7） 21.6÷[64.8﹣（48.6﹣2.7×2）]．93.6×3.6+1.4×3.60.25×0.8×0.125×0.42.7×1.5﹣2.79.08+5.45+11.92+4.551.25×30×1.2×0.8．0.6+0.94﹣0.208 4.85×1.25×8 （64﹣22.4÷1.4）×1.218.3﹣6.25﹣3.75 2.8×3.6+1.4×2.8 6.6÷〔14.5﹣（1.7+1.8）〕0.25×9.87×436.7×2.1+10.88.45﹣0.45×0.10.73×1027.8×5.6+2.3×4.476.3×27﹣76.3×17．7.05×23.7+7.05×76.3．[（7.6﹣5.2）÷0.4+2.54]×32．17.68÷5.2+2.7×1.5 35.6﹣5×1.73 （1.1﹣0.78）×（2.7﹣1.95）1.3×0.75×41.08÷1.8×1.250.4×1.9﹣1.80.82×0.25+1.18×0.25．8.5×[（2.36+2.42）÷0.25] 3.9÷[（1.3+0.6）×6﹣3.6] 4.25×6.3+3.7×4.25205×0.99 25.6﹣7.49﹣2.51 [2.5﹣（6.8﹣4.9）]×0.8．102×4.5 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= 2.07÷0.023=[20.026﹣（8.6+9.7）×0.92]÷30.19．0.125×32×2.5 0.8×6.3﹣0.8×3.8 50.4÷3.2×2.08204÷（3.4×0.5） （43.26+2.34）÷7.5 （20﹣0.8×9）×5.7．13.25﹣0.8+1.75﹣1.2；2.5×99+2.5；10.36+4.8﹣16.5÷5；12.5×2.4．38.78﹣19.59+41.22﹣30.412.74×4.86+4.86