67×99的简便运算？

Question

如题所述

Answer 1

你好
＝67×（100-1）
＝67×100-67
＝6700-67
＝6633
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Answer 2

Answer 3

67x99=67x（100-1）=6700-67
=6633

Answer 4

=67×(100-1)
=67x100-67×1
=6700-67
=6633

Answer 5

99×67
＝（100-1）×67
＝100×67-67
＝6700-67
＝6633