28x25简便计算有几种
第1个回答 2020-06-03
28x25
=(7x4)x25
=7x(4x25)
=7x100
=700
=(7x4)x25
=7x(4x25)
=7x100
=700
第2个回答 2020-03-18
28×25
=(7×4)×25
=7×(4×25)
=7×100
=700
=(7×4)×25
=7×(4×25)
=7×100
=700
第3个回答 2016-03-19
28×25
=(7×4)×25
=7×(4×25)
=7×100
=700本回答被网友采纳
=(7×4)×25
=7×(4×25)
=7×100
=700本回答被网友采纳
第4个回答 2020-04-03
28x25
=(7×4)x25
7×(4x25)
7×100
=700
=(7×4)x25
7×(4x25)
7×100
=700
第5个回答 2022-04-17
28×25
=25×(7×4)
=( 4×25)×7
=100×7
=700
=25×(7×4)
=( 4×25)×7
=100×7
=700