помогите пожалуйста: Два числа и их произведение оканчиваются одной и той же цифрой. Какова эта цифра, если сумма трёх таких цифр больше 15?

 

написать изомеры октана (7 штук)

вставити :am/is/are/,s/.re/.m/aren/t or isn/t ____Ann from Poland? No she ____She____from Spaine What_____your favourite sport? My favourite sport____football ____they from Finland? No ,they___ They__British ___Bob ten years old? No,he___He____thirteen How old ___you? I___forty-four 

В группе предложений лишь одно верное. Найдите и запишите его.
It is a great pleasure for me to inform you that you can expect payment in three days. It is of great pleasure to me to inform you that you can expect payment in three days. It is a great pleasure of me to inform you that you can expect payment in three days. It is a great pleasure for me inform you that you can expect payment in three days. It is a great pleasure for me to inform you that you can expect payment at three days.