如题所述
第1个回答 2020-05-29
=8.6×(100+2)
=8.6×100+8.6×2
=860+17.2=877.2 以上为过程。本回答被网友采纳
=8.6×100+8.6×2
=860+17.2=877.2 以上为过程。本回答被网友采纳
第2个回答 2020-05-29
等于8.6×(100+2)=8.6×100+8.6×2=860+17.2=877.2
第3个回答 2020-05-29
8.6×102
=8.6×(100+2)
=8.6×100+8.6×2
=860+17.2
=877.2
=8.6×(100+2)
=8.6×100+8.6×2
=860+17.2
=877.2