111✖️28➕999✖️8怎样简便计算？

Question

如题所述

Answer 1

请听视频详细讲解方法

Answer 2

111×28+999×8=111×28+111×9×8=111×（28+9×8）=111×（28+72）=111×100=11100

Answer 3

Answer 4

111×28+999×8
=111×28+111×9×8
=111×28+111×72
=111×（28+72）
=111×100
=11100本回答被网友采纳

Answer 5

111x28+111x72
=111x(28+72)
=11100