סדרה הנדסית

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\[\begin{aligned} \INPUTBOX{2}{ltr}{128}\text{ },32,\INPUTBOX{1}{ltr}{8},2 \end{aligned}\]

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\[\begin{aligned} 40,\INPUTBOX{1}{ltr}{20},\INPUTBOX{2}{ltr}{10},5 \end{aligned}\]

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\[\begin{aligned} 2,\INPUTBOX{1}{ltr}{8},32,\INPUTBOX{2}{ltr}{128} \end{aligned}\]

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\[\begin{aligned} \INPUTBOX{2}{ltr}{4}\text{ },2,\INPUTBOX{1}{ltr}{1},0.5 \end{aligned}\]