48.3×0.59-2.5×4.9×4+5.17×5.9．解：48.3×0.59-2.5×4.9×4+5.17×5.9，
=48.3×0.59+51.7×0.59-2.5×4×4.9，
=（48.3+51.7）×0.59-49，
=100×0.59-49，
=59-49，
=10．
分析：通过观察，运用加法、乘法交换律与结合律把原式变为48.3×0.59+51.7×0.59-2.5×4×4.9，简算即可．
点评：完成本题要注意分析式中数据，运用合适的简便方法计算．