zadanie 1. Oblicz (-4ab+3)kwadrat , dla a= -1/8 b=4
zadanie2. Oblicz: -3:9/10+(-1/5):(2/3)
Zad 1
(-4ab+3)^2 = (-4*(-1/8)*4 + 3)^2 = (2+3)^2 = 5^2 = 25
Zad 2
-3:9/10 + (-1/5):2/3 = -3*10/9 - 1/5*3/2 = - 30/9 - 3/10 =
- 300/90 - 27/90 = -327/90 = - 109/30 = - 3 19/30
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Zad 1
(-4ab+3)^2 = (-4*(-1/8)*4 + 3)^2 = (2+3)^2 = 5^2 = 25
Zad 2
-3:9/10 + (-1/5):2/3 = -3*10/9 - 1/5*3/2 = - 30/9 - 3/10 =
- 300/90 - 27/90 = -327/90 = - 109/30 = - 3 19/30