发布网友
共4个回答
热心网友
原式等于
0.25×4×8.5=8.5
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热心网友
=0.25x4x8.5
=8.5
热心网友
=0.25×4×8.5
=1×8.5
=8.5
热心网友
0.25×8.5×4
=0.25×4×8.5
=1×8.5
=8.5