Question

175×42+25×42简便方法计算列竖式怎么列？

Answer 1

175×42+25×42
=(175+25)×42
=200×42
=8400

Answer 2

175×42+25×42
＝(175+25)×42
＝200×42
＝8400

Answer 3

175×42+25×42
=42×（175+25）
=42×200
=8400

Answer 4

175×42+25×42

=42×（175+25）=8400

Answer 5

175×42+25×42
（175+25）×42
200×42＝8400