如题所述
方法一:
1.01×99
=1×99+0.01×99
=99+0.99
=99.99
方法二:
1.01×99
=1.01×100-1.01
=101-1.01
=99.99
1.01×99
=1×99+0.01×99
=99+0.99
=99.99
方法二:
1.01×99
=1.01×100-1.01
=101-1.01
=99.99
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第1个回答 2022-09-16
1.01x99
=1x99+0.01x99
=99+0.99
=99.99
=1x99+0.01x99
=99+0.99
=99.99