Nulli jagamisel sellest erineva arvuga ...

saame tulemuseks positiivse arvu

saame tulemuseks negatiivse arvu

Vali kõik õiged tehted.

− ( + 7 , 4 ) = − 7 , 4 -\left(+7,4\right)=-7,4 − ( + 7 , 4 ) = − 7 , 4

∣ − 369 , 08 ∣ = 369 , 08 \left|-369,08\right|=369,08 ∣ − 3 6 9 , 0 8 ∣ = 3 6 9 , 0 8

− ( − 709 ) = 709 -\left(-709\right)=709 − ( − 7 0 9 ) = 7 0 9

∣ − 0 , 24 ∣ = − 0 , 24 \left|-0,24\right|=-0,24 ∣ − 0 , 2 4 ∣ = − 0 , 2 4

Vali kõik õiged tehted.

− 2 − ( − 8 ) = 6 -2-\left(-8\right)=6 − 2 − ( − 8 ) = 6

15 − ( − 15 ) = 30 15-\left(-15\right)=30 1 5 − ( − 1 5 ) = 3 0

4 − ( − 6 ) = 2 4-\left(-6\right)=2 4 − ( − 6 ) = 2

5 − 12 = 7 5-12=7 5 − 1 2 = 7

Vali kõik õiged tehted.

− 9 ⋅ 4 = − 36 -9\cdot4=-36 − 9 ⋅ 4 = − 3 6

− 5 ⋅ ( − 6 ) = 30 -5\cdot\left(-6\right)=30 − 5 ⋅ ( − 6 ) = 3 0

− 6 ⋅ ( − 9 ) = 56 -6\cdot\left(-9\right)=56 − 6 ⋅ ( − 9 ) = 5 6

8 ⋅ ( − 8 ) = − 72 8\cdot\left(-8\right)=-72 8 ⋅ ( − 8 ) = − 7 2

Vali kõik õiged tehted.

− 7 , 7 : 7 = − 1 , 1 -7,7\ :\ 7\ =-1,1 − 7 , 7 : 7 = − 1 , 1

36 : ( − 2 ) = 16 36\ :\ \left(-2\ \right)\ =\ 16 3 6 : ( − 2 ) = 1 6

− 3 , 6 : 0 , 4 = − 0 , 9 -3,6\ :\ 0,4\ =\ -0,9 − 3 , 6 : 0 , 4 = − 0 , 9

− 15 : 0 = 0 -15\ :\ 0\ =0 − 1 5 : 0 = 0

Tehted ratsionaalarvudega - kordamine

Authored by Annika Ilves

Mathematics

7th Grade

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