问题标题:
符号要正确严禁抄袭他人
问题描述:
符号要正确
严禁抄袭他人
贾振中回答:
4.7+2.3=74.5×2=96.9-2.5=4.47.2×0.8=5.766×3.4=20.40.62-0.32=0.31.4×0.5=0.70.75×100=750.02×0.5=0.013.6÷0.3=126.3÷7=0.95.6÷100=0.0560.75÷0.25=30.125×8=14.8÷0.3=160.96÷2=0.480...
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