99乘以27加27用简便方法计算怎么做

Question

如题所述

Answer 1

99×27+27
=（99+1）×27
=100×27
=2700本回答被网友采纳

Answer 2

27*99+27
=27*（99+1）
=2700

Answer 3

99x27+27
=（99+1）x27
=100x27
=2700

Answer 4

99*27+27
=（99+1）*27
=100*27
=2700本回答被网友采纳

Answer 5

（99+1）×27
=100×27
=2700