如题所述
第1个回答 2021-02-08
101×99/102
=(102–1)×99/102
=102×99/102–1×99/102
=99–99/102
=98又3/102
=98又1/34
=(102–1)×99/102
=102×99/102–1×99/102
=99–99/102
=98又3/102
=98又1/34
第2个回答 2021-02-08
101×99/102
=(102-1)x99/102
=(102x99/102)-1x99/102
=99-99/102
=98又3/102
=98又1/34
=(102-1)x99/102
=(102x99/102)-1x99/102
=99-99/102
=98又3/102
=98又1/34
第3个回答 2021-02-08
101X99/102
=(102一1)X99/102
=102X99/102一99/102
=99一99/102
=98十1一99/102
=98十3/102
=98又1/34
=(102一1)X99/102
=102X99/102一99/102
=99一99/102
=98十1一99/102
=98十3/102
=98又1/34