Садовник, глядя на цветы в своем салу, думал: «Если бы к моим розам прибавить еще треть, и еще 16, то у меня их было бы целая сотня». Сколько роз было в саду у садовника?

 

 

 

 

 

 

Решение знаю! для сестры пусть думает!

перевести все эти задания:

1)Last summer,a group of courageous mountain climbers from Russia got together at the foot of the Himalayas.They had already been there the year before and were getting on quite successfully,but poor weather conditions prevented them from further climbing.They hardly managed to get away from a severe avalanche.

 The mountain climbers had got over their unexpected failure.But they decided to get back there and try their chances again next year.All of them had been friends for about ten years and got along very well.On their arrival in the Himalayas,they got off their horses and headed for the mountains.

2)1)Please put the knife down on the table before you hurt somebody.

    2) I don't know how she puts up with her sons'fights.

    3)The girl put on her black velvet dress.

    4)Could you please put the light on ?

    5)This is a very difficult word.Put it down so you don't forget.

    6)The concert is put off till next week.

Какова сила тока в цепи, если за время 15с через поперечное сечение проводника протекает электрический заряд 125 Кл?

допишите возможные уравнения реакций укажите их тип: HCl+Ag=....... H2SO4+Fe2O3=... SO3+H2O= Na+H2O=... Li2O+H2O=... Ni+H2O=... Ba(OH)2+HNO3=... Ca(OH)2+HNO3=... вЫБИРИТЕ ГЕНЕТИЧЕСКИЙ РЯД НЕМЕТАЛЛА И РЕАКТИВЫ УКАЗАНЫЕ ВЕРНО: А)C->H2CO3->CO;O2,H2O; Б)C->CO2->H2CO3;O2,H2O; В)N2->N2O->NO;O2,H2O; Г)P->P2O5->P;O2, H2O.