题目内容

直接填上得数:

① (-4)+ (-2)= ___________;

② ( + 3)+ (-10)= ____________;

③ (-5)-(+7)= ___________;

④ (-6)-(-2)=____________;

⑤ (-2)× (-3)= ___________;

⑥ 5 ×(-2)=____________ .

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