42×35＋57×35＋35用简便方法计算？

Answer 1

简便计算过程方法如下
解：42×35+57×35+35
=（42+57+1）×35
=100×35
=3500

Answer 2

=（42+57+1）×35
=100×35
=3500

Answer 3

原式=（42+57+1）×35=100×35=3500

Answer 4

42x35+57x35+35
=（42+57+1）x35
=100x35
=3500