Question

53×42+45×42-98×41的简便计算怎么算

53×42+45×42-98×41的简便计算怎么算

Answer 1

解:53x42+45x42-98x41
=42x(53+45)-98x41
=42x98-98x41
=(42-41)x98
=1x98
=98

Answer 2

53×42+45×42-98×41=53×42+45×42-98×42+98=（53+45-98）×42+98=0×42+98=98

Answer 3

53×42+45×42-98×41
=42×（53+45）-98×41
=98×（42-41）
=98

Answer 4

=42*（53+45）-98*41
=42*98-98*41
=98*（42-41）
=98*1
=98

Answer 5

53×42+45×42-98×41
=42×(53+45)-98×41
=42x98-98x41
=98x(42-41)
=98x1
=98