5.45×24×0.2-3.45×4.8，
=5.45×4.8-3.45×4.8，
=4.8×（5.45-3.45），
=4.8×2，
=9.6；
故答案為：9.6．
5.45×24×0.2-3.45×4.8=_．
5.45×24×0.2-3.45×4.8=______．
數(shù)學人氣：328 ℃時間：2020-04-23 07:23:08
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