Wykonajmy obliczenia

a)

$26,7\cdot 9=240,3$  

$\begin{array}{r}\stackrel{2}{}\stackrel{6}{2}\stackrel{6}{6}7\\ \underline{\cdot 9}\\ 2403\end{array}$

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$6\cdot 4,723=28,338$  

$\begin{array}{r}\stackrel{2}{}\stackrel{4}{4}\stackrel{1}{7}\stackrel{1}{2}3\\ \underline{\cdot 6}\\ 28338\end{array}$

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$0,495\cdot 700=49,5\cdot 7=346,5$  

$\begin{array}{r}\stackrel{3}{}\stackrel{6}{4}\stackrel{3}{9}5\\ \underline{\cdot 7}\\ 3465\end{array}$

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b)

$56\cdot 0,47=26,32$  

$\begin{array}{r}56\\ \underline{\cdot 47}\\ 392\\ \underline{+224}\\ 2632\end{array}$

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$1,58\cdot 82=129,56$  

$\begin{array}{r}158\\ \underline{\cdot 82}\\ 316\\ \underline{+1264}\\ 12956\end{array}$

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$480\cdot 14,91=48\cdot 149,1=7156,8$  

$\begin{array}{r}1491\\ \underline{\cdot 48}\\ 11928\\ \underline{+5964}\\ 71568\end{array}$

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c)

$0,792\cdot 156=123,552$  

$\begin{array}{r}792\\ \underline{\cdot 156}\\ 4752\\ 3960\\ \underline{+792}\\ 123552\end{array}$

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$371\cdot 2,54=942,34$  

$\begin{array}{r}371\\ \underline{\cdot 254}\\ 1484\\ 1855\\ \underline{+742}\\ 94234\end{array}$

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$0,046\cdot 370=0,46\cdot 37=17,02$  

$\begin{array}{r}46\\ \underline{\cdot 37}\\ 322\\ \underline{+138}\\ 1702\end{array}$