如题所述
98x38å38
=ï¼98+1ï¼x38
=99Ã38
=100Ã38-38
=3800-38
=3762
=ï¼98+1ï¼x38
=99Ã38
=100Ã38-38
=3800-38
=3762
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第1个回答 2015-03-26
98x38十38
=(100-2)x38+1x38
=(100-1)x38
=3800-38
=3762
=(100-2)x38+1x38
=(100-1)x38
=3800-38
=3762