问题 解答题
9650×0.2
357912-35790×35792
答案

9650×0.2
357912-35790×35792

=

9650×0.2
35791×35791-35790×(35791+1)

=

1930
35791×35791-(35791-1)×35791-35790

=

1930
35791×35791-35791×35791+35791-35790

=

1930
35791-35790

=1930.

单项选择题
单项选择题