题目内容

9650×0.2
357912-35790×35792
.
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.
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