“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】五年级上学期递等式计算练习（一）姓名：递等式计算，有简便运算的用简便方法5×0.3×0.25.2×6－106.8－0.8×49.8－0.6＋3.20.6×0.5×1.138.25＋2.4×0.512.8－4.8×0.2520×1.95－1.87.5＋2.5×5.2102×0.454.3×0.25×0.450.8×101－50.87.8×0.36－0.64×7.88×0.9×1.250.4×（2.5＋25）2.4＋7.6×3.414.25×14.6－4.25×14.681×1.012.139÷9.3×6.24.264÷（0.16×20.5）2.6×1.9÷2.62.88÷0.12×7.58.5－21.28÷7.66.8÷（0.25×6.8）cOm0.25×1.25×320.13×3.89＋0.13×6.11102×8.56.75÷0.25÷0.4“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】 “奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】五年级上学期递等式计算练习（二）姓名：递等式计算，有简便运算的用简便方法xkb1.com38.75－（24.5＋8.75）0.4×2.32×0.250.75×1014.2－3.2×0.97.56×99＋7.5670.3－17.48÷7.63.64÷5.2×23.321.8÷0.8－1.2×545÷(5.25÷0.25)16.5×101－16.50.96÷0.3×141.25×4×2.5×836.45÷(0.82＋3.4×0.2)9.07－2.64÷0.41.5×10112.6×7.5＋8.313.6×0.85－3.6×0.85104×8.586.4÷6.4－0.40.25×6.2×0.423×6.5＋17×6.536÷0.4×0.25(24.6－18.1)×3.47.6×9.9+7.6×0.113.6×0.8×12.523.9×8.5－3.9×8.5(2.55＋9.6÷16)÷0.429.2÷0.25÷4“奥数库”专业数学网站：免注册，不收费【https://www.aoshuku.com】