Vēro piemērus !

Cik ir $$43 + 5$$?
 $\begin{array}{l}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}43+5\\ ↙↘\\ 40\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}\phantom{\rule{0.147em}{0ex}}3\end{array}$

$$43 + 5 = 40 + 3 + 5 = 40 + 8 = 48$$
Cik ir $$37 + 22$$?
Saskaiti desmitus kopā: pie $$3$$ desmitiem pieskaitīt $$2$$ desmitus, iegūst $$5$$ desmitus.
Saskaiti vienus: pie $$7$$ vieniem pieskaitīt $$2$$ vienus, iegūst $$9$$ vienus
$$5$$ desmiti un $$9$$ vieni veido skaitli $$59$$.

$$37 + 22 = (30+20) + (7+2) = 50 + 9 = 59$$