192×300300ሢ300×192192怎样算简便

2025-03-24 15:32:23
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回答1:

192×300300−300×192192怎样算简便
192×300300−300×192192
=192×1001x100x3−3x100×192x1001
=192x3×1001x100−192x3×1001x100
=0