问题
解答题
0.23×56+2.3×440+0.46×0.5．
答案
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；
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0.23×56+2.3×440+0.46×0.5．
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；