POZIOM A

a) tak

b) nie

c) nie

d) tak

e) nie

f) tak

g) nie

h) tak

 

POZIOM B

a)  $-\frac{13}{7}$  

b)  $-11$  

c)  $-7,5\text{bo}1,5\cdot \left(-5\right)=-7,5$  

d)  $1$  

e)  $-\frac{3}{2}$    

f)  $-1$  

g)  $-2$  

h)  $\sqrt{2}$  

i)  $-\frac{4}{25}\text{bo}\frac{5}{2}\cdot \left(-\frac{8}{125}\right)=\frac{{\sout{5}}^1}{2}\cdot \left(-\frac{8}{{\sout{125}}^{25}}\right)=\frac{1}{2}\cdot \left(-\frac{8}{25}\right)=-\frac{8}{50}=-\frac{4}{25}$  

j)  $-0,3$  

 

POZIOM C

a)  $2x^2{y}^3\sqrt{3}x{y}^2=2\sqrt{3}{x}^3{y}^5$  

b)  $xy{x}^2\cdot \left(-1,5\right)x\cdot \left(-7\right)=10,5x^{4}y$  

c)  $ab{a}^2\cdot {\left(-3\right)}^{2}b=9a^3{b}^2$  

d)  $-3sts\cdot \left(-\frac{5}{6}\right)s^{3}t=\frac{15}{6}{s}^5{t}^2=\frac{5}{2}{s}^5{t}^2$  

e)  $-\frac{3}{4}prr\cdot \left(-8\right)p^6=\frac{24}{4}{p}^7{r}^2=6p^7{r}^2$   

f)  $a^5\cdot 4b\cdot 2\sqrt{2}a\cdot \left(-3\right)b=-24\sqrt{2}{a}^6{b}^2$  

g)  $hhg\cdot 4g^4{h}^2\cdot 2\sqrt{5}=8\sqrt{5}{g}^5{h}^4$  

h)  $-\frac{1}{4}{p}^3{r}^5\cdot {\left(-2\right)}^2{p}^{2}r=-1p^5{r}^6$  

i)  $\frac{3}{2}\sqrt{5}at{x}^2$  

 

POZIOM D

a)  $\left(3a^2{b}^3\right)\cdot \left(-1,5a^3{b}^2\right)=-4,5a^5{b}^5$  

b)  $\left(-2s\cdot 3t^{2}s\right)\cdot \left(\frac{4}{9}{s}^{2}t\right)=\left(-6s^2{t}^2\right)\cdot \left(\frac{4}{9}{s}^{2}t\right)=-\frac{8}{3}{s}^4{t}^3$  

c)  $\left(-\frac{5}{6}xy{x}^2\right)\cdot \left(-3x^2{y}^3\right)=\left(-\frac{5}{6}{x}^{3}y\right)\cdot \left(-3x^2{y}^3\right)=\frac{15}{6}{x}^5{y}^4=\frac{5}{2}{x}^5{y}^4=2\frac{1}{2}{x}^5{y}^4=2,5x^5{y}^4$  

d)  $\left(x^{2}y{x}^2\cdot \left(-5\right)\right)\cdot \left(yyx\cdot \left(-0,1\right)\right)=\left(-5x^{4}y\right)\cdot \left(-0,1x{y}^2\right)=0,5x^5{y}^3$  

e)  $\left(-1\frac{1}{4}ghg\right)\cdot \left(-6g^2{h}^2\right)=\left(-\frac{5}{4}{g}^{2}h\right)\cdot \left(-6g^2{h}^2\right)=\frac{30}{4}{g}^4{h}^3=\frac{15}{2}{g}^4{h}^3=7\frac{1}{2}{g}^4{h}^3=7,5g^4{h}^3$  

f)  $\left(b^2\cdot 2a^3\cdot \frac{3}{4}\right)\cdot \left(a\cdot \left(-8\right)\cdot b^3\right)=\left(\frac{6}{4}{a}^3{b}^2\right)\cdot \left(-8a{b}^3\right)=-\frac{48}{4}{a}^4{b}^5=-12a^4{b}^5$  

g)  $\left(p^3{p}^{2}r\cdot 4\right)\cdot \left(r^{4}p\cdot 2\sqrt{3}\right)=\left(4p^{5}r\right)\cdot \left(2\sqrt{3}p{r}^4\right)=8\sqrt{3}{p}^6{r}^5$  

h)  $\left(-\frac{1}{5}{d}^2{c}^4\right)\cdot \left(-0,5d^{3}c\right)=\left(-\frac{1}{5}{c}^4{d}^2\right)\cdot \left(-0,5c{d}^3\right)=\left(-\frac{1}{5}{c}^4{d}^2\right)\cdot \left(-\frac{1}{2}c{d}^3\right)=\frac{1}{10}{c}^5{d}^5$