Question

0.23×56+2.3×440+0.46×0.5

Answer 1

解：0.23×56+2.3×440+0.46×0.5，
=0.23×56+0.23×4400+0.23×2×0.5，
=0.23×（56+4400+1），
=0.23×4457，
=1025.11；
分析：算式中2.3×440+0.46×0.5改写成0.23×4400+0.23×2×0.5可据乘法分配律进行计算．
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．