Question

67×99+67的简便运算该怎样算？

67×99+67 简便运算

Answer 1

67×99+67
＝67×(99+1)
＝67×100
＝6700

Answer 2

67×99+67
=67×99+67×1
=67×(99+1）
=67×100
=6700

Answer 3

67×99+67
=67×（99+1）
=67×100
=6700

Answer 4

67×99+67＝67×99+67×1＝67×
(99+1)＝67×100＝6700

Answer 5

67×99+67
＝67×（99+1）
＝67×100
＝6700