Question Number 166284 by daus last updated on 17/Feb/22
Commented by mr W last updated on 17/Feb/22
$${OC}\:{can}\:{be}\:{any}\:{value}\:{between}\:\mathrm{0}\:{and}\:\mathrm{13}. \\ $$$${something}\:{is}\:{missing}\:{in}\:{the}\:{question}. \\ $$