人教版五年級數學上冊脫式計算簡便計算每題一練正確道錯誤道年月日人教版五年級數學上冊脫式計算、簡便計算專題訓練（每日一練120道）12.5×6.7×0.89.24+9.24×990.28×20278.5×0.125×801.25×3.2×0.254.6×9.4+0.6×4.69.9×1.023.4×101.3-3.4×1.356×12.5×22.5×5.2-2.5×4.8

38.4×994.85×9.9+0.48516.12×99+16.12（8-0.8）×12.59.37×97+9.37×2+9.370.25×444.8×0.255.6×0.77+4.4×0.7750×0.8×0.04×1.25×0.02×250

38×0.67+6.7×6.226×20.2-7.3-2.78.45-0.45×0.10.38×56+88×0.1916×0.35-3.96.9+19×6.920.7×15.1-14.1×20.72.5-2×0.257.81×49-78.1×3.8+0.781×90

9.16+0.63×1.46.06×1.8-3.20.027+9.9×2.70.333×25+9.99×2.50.999×0.08+0.111×0.2828.5×9.94.2×1.9+42731.7-0.5×0.7-1.654.2×0.35+0.42×3.5+0.042×35

152×0.67-142×0.6798×1.2544.4×2.50.25×4.8×0.46.6×8.8+22×0.66-6.67.09×10.8-0.8×7.09102×0.573.2×12.5×0.2515.89×21-158.9×1.6+15.89×95

64×0.25×0.5×1.251.25×49+1.254.02+5.4+0.984.8×7.8+78×0.5215.6×13.1-15.6×3.10.89×100.1（1.25-0.125）×888.8×9+33.3×64.45×445+44.5×56.5-44.5

38.28÷1.5÷2（2.8+0.36）÷0.446.8÷1.5÷2.41.25×0.8×6.43.6+1.4×0.60.7÷2.5÷47.8×3.2÷0.266.8÷1.25÷0.8128÷0.250.25×4.6×40

4.8×10268.7÷1.25÷89.89×9.912.25÷0.25×0.84×0.37×2.5201×0.95-0.956÷0.4÷0.2520.7÷0.23÷4.58.3+0.7×2.617.8÷（4×1.78）

1.25×981.2×（9.6÷2.4）÷4.87.2×101（3.2+0.808）÷0.87.5×8+0.75×206.15÷0.125÷0.82.7÷4+6.3×0.2563×10.1-63×0.117÷（3.5+1.5×0.5）5.4÷1.8-（1.2-1.03）

8.05×1.02156÷4÷0.254.34×9.9+0.4340.5×2.33×81.2×2.5+0.8×2.57.2×1.6÷0.80.78÷0.25÷4012.5×8.876×1.0118-1.8÷0.125÷0.8

5.48×990.25×16.2×42.02×8.52.96×40÷0.2960.125×7.41×80（8.14-3.74）÷2.5÷43.72×9.9+0.3722.4×1.5+3.6÷1.512.5×9.7-12.5×8.799×10.1

22.05×0.7÷2.141.2÷（8.6-6.1）÷0.40.25×3.2×12.56.8+1.25×6.8×80