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20 questions
(−3)⋅(−1)=\left(-3\right)\cdot\left(-1\right)=(−3)⋅(−1)=
333
−3-3−3
444
−4-4−4
(−3)⋅ 5 = \left(-3\right)\cdot\ 5\ =\ (−3)⋅ 5 =
−15-15−15
151515
888
−8-8−8
(−2) ⋅ (−3) = \left(-2\right)\ \cdot\ \left(-3\right)\ =\ (−2) ⋅ (−3) =
666
−6-6−6
555
−5-5−5
5 ⋅ (−4) =5\ \cdot\ \left(-4\right)\ =5 ⋅ (−4) =
−20-20−20
202020
999
−9-9−9
(−20) ⋅ 4 = \left(-20\right)\ \cdot\ 4\ =\ (−20) ⋅ 4 =
(−30) : (−6) = \left(-30\right)\ :\ \left(-6\right)\ =\ (−30) : (−6) =
(−5) ⋅ 2 ⋅ (−4) = \left(-5\right)\ \cdot\ 2\ \cdot\ \left(-4\right)\ =\ (−5) ⋅ 2 ⋅ (−4) =
7 ⋅ (−2) ⋅ 5 = 7\ \cdot\ \left(-2\right)\ \cdot\ 5\ =\ 7 ⋅ (−2) ⋅ 5 =
(−2) ⋅ (−8) ⋅ (−7) = \left(-2\right)\ \cdot\ \left(-8\right)\ \cdot\ \left(-7\right)\ =\ (−2) ⋅ (−8) ⋅ (−7) =
(−140) : (−35) = \left(-140\right)\ :\ \left(-35\right)\ =\ (−140) : (−35) =
Które wyrażenie ma wartość równą −36?-36?−36?
4 ⋅ 9 4\ \cdot\ 9\ 4 ⋅ 9
(−4) ⋅ (−9 )\left(-4\right)\ \cdot\ \left(-9\ \right)(−4) ⋅ (−9 )
(−4) ⋅ 9\left(-4\right)\ \cdot\ 9(−4) ⋅ 9
(−6) ⋅ (−6 )\left(-6\right)\ \cdot\ \left(-6\ \right)(−6) ⋅ (−6 )
(–48) : (–6) ⋅ 5 =(–48)\ :\ (–6)\ \cdot\ 5\ =(–48) : (–6) ⋅ 5 =
404040
−40-40−40
303030
−30-30−30
Które wyrażenie ma wartość ujemną?
5 ⋅ (−2) ⋅ (−5)5\ \cdot\ \left(-2\right)\ \cdot\ \left(-5\right)5 ⋅ (−2) ⋅ (−5)
(−7) ⋅ 5 ⋅ (−2) ⋅ (−1)\left(-7\right)\ \cdot\ 5\ \cdot\ \left(-2\right)\ \cdot\ \left(-1\right)(−7) ⋅ 5 ⋅ (−2) ⋅ (−1)
(−2) ⋅ (−3)\left(-2\right)\ \cdot\ \left(-3\right)(−2) ⋅ (−3)
4 ⋅ (−8) ⋅ (−2)4\ \cdot\ \left(-8\right)\ \cdot\ \left(-2\right)4 ⋅ (−8) ⋅ (−2)
−51 + (−49)=-51\ +\ \left(-49\right)=−51 + (−49)=
−100-100−100
100100100
−2-2−2
222
−72 − (−22)=-72\ -\ \left(-22\right)=−72 − (−22)=
−94-94−94
−50-50−50
505050
949494
45 −(−14)=45\ -\left(-14\right)=45 −(−14)=
−59-59−59
−31-31−31
313131
595959
Które wyrażenie jest równe 2?2?2?
18 : 9 ⋅(−1)18\ :\ 9\ \cdot\left(-1\right)18 : 9 ⋅(−1)
(−45 ) ⋅ 2 + 88\left(-45\ \right)\ \cdot\ 2\ +\ 88(−45 ) ⋅ 2 + 88
8 + (−10)8\ +\ \left(-10\right)8 + (−10)
9 + 14 : (−2)9\ +\ 14\ \ :\ \left(-2\right)9 + 14 : (−2)
(−18)+(−13)=\left(-18\right)+\left(-13\right)=(−18)+(−13)=
(−44)+(−8)+(−2)=\left(-44\right)+\left(-8\right)+\left(-2\right)=(−44)+(−8)+(−2)=
(−2)+(−10)+ 5 + (−4) = \left(-2\right)+\left(-10\right)+\ 5\ +\ \left(-4\right)\ =\ (−2)+(−10)+ 5 + (−4) =
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