如题所述
第1个回答 2021-09-17
7.77×101-0.777=7.77×(100+1)-0.777=7.77×100+7.77×1-0.777=777+7.77-0.777=783.993
第2个回答 2021-09-17
7.77X101-0.777
=7.77X100+7.77-0.777
=777+6.993
=783.993
=7.77X100+7.77-0.777
=777+6.993
=783.993
第3个回答 2021-09-17
7.77*101-0.777
=7.77*(100+1)-0.777
=777+7.77-0.777
=783.893
=7.77*(100+1)-0.777
=777+7.77-0.777
=783.893
第4个回答 2021-09-17
7.77×(100+1)-0.777
=777+7.77-0.777
=784.77-0.777
=783.993
=777+7.77-0.777
=784.77-0.777
=783.993
第5个回答 2021-09-17
=7.77×100+7.77×1-0.777
=777+7.77-0.777
=784.77-0.777
=783.993
=777+7.77-0.777
=784.77-0.777
=783.993