五年级数学上册简便运算练习题班级考号姓名总分（一）2①6.9＋4.8＋3.1②0.456＋6.22＋3.78③15.89＋(6.75－5.89)④4.02＋5.4＋0.98⑤5.17－1.8－3.2⑥13.75－(3.75＋6.48)⑦3.68＋7.56－2.68⑧7.85＋2.34－0.85＋4.66⑨35.6－1.8－15.6－7.2⑩3.82＋2.9＋0.18＋9.1⑪9.6＋4.8－3.6⑫7.14－0.53－2.47⑬5.27＋2.86－0.66＋1.63⑭13.35－4.68＋2.65⑮73.8－1.64－13.8－5.36⑯66.86－8.66－1.34⑰36.8－3.9－6.1⑱32＋4.9－0.92（二）2①0.25×8.5×4②12.5×0.96×0.8③0.25×0.73×4④4.36×12.5×8⑤0.25×16.2×4⑥1.25×2.5×322 ⑦3.2×0.25×12.5⑧0.25×36⑨(1.25－0.125)×8⑩4.8×10.1⑪3.6×102⑫0.39×199⑬0.32×403⑭3.65×10.1⑮0.85×9.9⑯56.5×99＋56.5⑰7.09×10.8－0.8×7.09⑱9.7×99＋9.72（三）2①3.72×3.5＋6.28×3.5②15.6×2.1－15.6×1.1③3.83×4.56＋3.83×5.44④6.5×99＋56.5⑤7.09×10.8－0.8×7.09⑥9.7×99＋9.7⑦4.2×99＋4.2⑧27.5×3.7－7.5×3.7⑨3.9×2.7＋3.9×7.3⑩2.3×16+2.3×23+2.3⑪5.4×11-5.4⑫10.7×16.1-15.1×10.7⑬4.8×7.8＋78×0.52⑭10.6×0.35－9.6×0.35⑮7.6×0.8＋0.2×7.6⑯2.7×9.9＋1.27⑰3.65×4.7－36.5×0.37⑱101×0.87-0.91×8722