直接填上得数:
① (-4)+ (-2)= ___________;
② ( + 3)+ (-10)= ____________;
③ (-5)-(+7)= ___________;
④ (-6)-(-2)=____________;
⑤ (-2)×(-3)= ___________;
⑥5 ×(-2)=____________ .
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直接填上得数:
① (-4)+ (-2)= ___________;
② ( + 3)+ (-10)= ____________;
③ (-5)-(+7)= ___________;
④ (-6)-(-2)=____________;
⑤ (-2)×(-3)= ___________;
⑥5 ×(-2)=____________ .