Homework a.запишите примеры словами и решите их. 1)3+67= 2)78+90= 3)1000-700= 4)1000+3000= 5)600-400

1)three plus sixty seven is seventy
2) seventy plus ninety is one hundred and sixty eight
3) one thousant minus seven hundred is three hundred
4) one thousant plus three thousant is four thousant
5) six hundred minus four hundred is two hundred