如题所述
53✖️99
=53✖️(100-1)
=53✖️100-53
=5300-53
=5247+53-53
=5247
如有帮助请采纳哟💗
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第1个回答 2023-01-13
53×99
=53×(100-1)
=53×100-53×1
=5300-53
=5247
=53×(100-1)
=53×100-53×1
=5300-53
=5247
第2个回答 2023-01-13
53×99
=53×(100-1)
=53×100-53×1
=5300-53
=5247本回答被网友采纳
=53×(100-1)
=53×100-53×1
=5300-53
=5247本回答被网友采纳