Correct: (−2)·(−3)=6, (−2)·(+3)=−6, (−5)·(+3)=−15, (−2)·(−5)=10, (−20)·(−3)=60, (−2)·(+30)=−60, (−7)·(−3)=21, (+7)·(−3)=−21, (−8)·(−4)=24, (−2)·(+10)=−-20, (−12)·(−3)=36, (−22)·(+3)=−66, 0·(−3)=0, (−2)·0=0, (−1)·(−3)=3, (−2)·(−1)=2, (−2)·(−4)=8, (−2)·(+4)=−8, (−5)·(−5)=25, (−2)·(−15)=30, Incorrect: (−2)·(−3)=−6, (+2)·(−3)=6, (−2)·(+3)=6, (−5)·(−3)=8, (−2)·(−5)=−10, (−20)·(−3)=6, (−2)·(−30)=23, 0·(−3)=−3, (−2)·(−10)=−12, (−2)·(−7)=9,

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