Xazulula inkinga. Bhala phansi kuphela ikhambi kanye impendulo (amaphuzu 15).

9. Dweba ingxenye, ingxenye yesine okuyinto ilingana 15 mm.
Cacisa ubude bayo (amaphuzu 10).

Impendulo:.
10. Iphepha square ezinhlangothini 5 cm wasika
zibe tikwele nge side of 1 cm. A strip wabekwa kulezi tikwele.
Kwaba isikhathi esingakanani?
Ngekota yokuqala, 5 izindlu ezifanayo zakhiwa edolobheni,
futhi okwesibili-8 of the izindlu efanayo. Kukhona 260 ezindlini kulezi zindlu isiyonke.
Zingaki amafulethi kwakhiwa ngekota yokuqala futhi bangaki yesibili?