Odpowiedzi

2010-04-06T13:18:27+02:00
1.

5/4 + 2/3 *(-12/10)=14/12 + 8/12 *(-12/10)=22/12*(-12/10)=-11/5=-2,2

2.

2³ : √16 -(-2)⁰ * 4¹ + ∛8 = 8 : 4 - 64 * 4 + 8 = 2 - 256 + 8 = -246

1.2√2
2.2√12
3.2√27
4.3∛6
5.2∛10




POZDRAWIAM
2010-04-06T13:19:40+02:00
1. 1¼ + ⅔ * (-1,2)=1¼ + ⅔*(-1²/₁₀)=1¼+⅔*(-¹²/₁₀)=1¼+(-⁴/₅)=1⁵/₂₀-¹⁶/₂₀=
=²⁵/₂₀ -¹⁶/₂₀=⁹/₂₀

2.
2³ : √16 -(-2)⁰ * 4¹ + ∛8=8 :4+1*4+2=2+4+2=8

zad2
1. √8=√4*√2=2√2
2.√48=√16*√3=4√3
3. √108=√36*√3=6√3
4. ∛54=∛27*∛2=3∛2
5. ∛40=∛8*∛5=2∛5
2010-04-06T13:22:34+02:00
2
1. 2√2
2.4√3
3.6√3
4.3∛2
5.2∛5