Wykonajmy obliczenia.

$5467-32\cdot 56=5467-1792=3675$

$\begin{array}{r}32\\ \underline{\cdot 56}\\ 192\\ \underline{+160}\\ 1792\end{array}$

 

$\begin{array}{r}\stackrel{4}{\cancel{5}}\stackrel{16}{\cancel{4}}\stackrel{16}{\cancel{6}}7\\ \underline{-1792}\\ 3675\end{array}$

---

$2798+8496:24=2798+354=3152$

$\begin{array}{l}\underline{354}\\ 8496:24\\ \underline{-72}\\ 129\\ \underline{-120}\\ 96\\ \underline{-96}\\ =\end{array}$

$\begin{array}{r}\stackrel{1}{2}\stackrel{1}{7}\stackrel{1}{9}8\\ \underline{+354}\\ 3152\end{array}$

---

$68\cdot 79-7280:130=5372-56=5316$

$\begin{array}{l}\underline{56}\\ 728:13\\ \underline{-65}\\ =78\\ \underline{-78}\\ =\end{array}$

$\begin{array}{r}68\\ \underline{\cdot 79}\\ 612\\ \underline{+476}\\ 5372\end{array}$

$\begin{array}{r}53\stackrel{6}{\cancel{7}}\stackrel{12}{\cancel{2}}\\ \underline{-56}\\ 5316\end{array}$

---

$\left(2091-448\right):\left(710-679\right)=1643:31=53$

$\begin{array}{r}\stackrel{1}{\cancel{2}}\stackrel{10}{\cancel{0}}\stackrel{8}{\cancel{9}}\stackrel{11}{\cancel{1}}\\ \underline{-448}\\ 1643\end{array}$

$\begin{array}{r}\stackrel{6}{\cancel{7}}\stackrel{10}{\cancel{1}}\stackrel{10}{\cancel{0}}\\ \underline{-679}\\ 31\end{array}$

$\begin{array}{l}\underline{53}\\ 1643:31\\ \underline{-155}\\ 93\\ \underline{-93}\\ =\end{array}$

---

$35^2-27^2=35\cdot 35-27\cdot 27=1225-729=496$

$\begin{array}{r}35\\ \underline{\cdot 35}\\ 175\\ \underline{+105}\\ 1225\end{array}$

$\begin{array}{r}27\\ \underline{\cdot 27}\\ 189\\ \underline{+54}\\ 729\end{array}$

$\begin{array}{r}\stackrel{0}{\cancel{1}}\stackrel{11}{\cancel{2}}\stackrel{11}{\cancel{2}}\stackrel{15}{\cancel{5}}\\ \underline{-729}\\ 496\end{array}$

---

$\left(145-99\right)+\left(321-86\right)+\left(285-194\right)=46+235+91=371$

$\begin{array}{r}\stackrel{1}{\cancel{1}}\stackrel{13}{\cancel{4}}\stackrel{15}{\cancel{5}}\\ \underline{-99}\\ 46\end{array}$

$\begin{array}{r}\stackrel{2}{\cancel{3}}\stackrel{11}{\cancel{2}}\stackrel{11}{\cancel{1}}\\ \underline{-86}\\ 235\end{array}$

$\begin{array}{r}\stackrel{1}{\cancel{2}}\stackrel{18}{\cancel{8}}5\\ \underline{-194}\\ 91\end{array}$

$\begin{array}{r}\stackrel{1}{}\stackrel{1}{4}6\\ 235\\ \underline{+191}\\ 472\end{array}$

---

$325+32\cdot 13-9^2=325+416-81=741-81=660$

$\begin{array}{r}32\\ \underline{\cdot 13}\\ 96\\ \underline{+32}\\ 416\end{array}$

$\begin{array}{r}3\stackrel{1}{2}5\\ \underline{+416}\\ 741\end{array}$

$\begin{array}{r}\stackrel{6}{\cancel{7}}\stackrel{14}{\cancel{4}}1\\ \underline{-81}\\ 660\end{array}$

---

$7999-4201+210:\left(113-2^3\right)=7999-4201+210:\left(113-8\right)=$

$=7999-4201+210:105=7999-4201+2=8000-4200-1-1+2=3800-1-1+2=3798+2=3800$

---

51	53	372	374	494	496	660	3052	3152	3675	3670	3800	5314	5316	5317
K	A	R	O	M	I	S	Ó	D	E	R	O	K	L	A

Hasło: KOMÓRKA 

1) Najmniejsza występująca w przyrodzie, zdolna do życia, samoodtwarzająca się struktura o złożonej organizacji [Encyklopedia PWN].

2) W ten sposób określa się również telefon komórkowy (potoczna nazwa telefonu). 

3) Pomieszczenie gospodarcze (komórka lokatorska).