Twenty-twenty
Thirty thirty
Forty forty
Fifty fifty
sixty
Seventy seventy
Eighty eighty
ninety
Hundred 100
English number rules:
1. First of all, 1- 12 has no regularity. Please record it separately:
one two three four five six seven eight nine ten eleven twelve
2. Secondly, 13- 19 all ends with teen, some numbers are added with teen, and some initial letters are the same as the numbers, and teen is added:
XIII13; Fourteen14; XV15; XVI16; Seventeen17; XVIII18; 19 19
3. Then every 20-90 days, it ends with ty, some numbers are added with ty, and some first letters are the same as numbers, adding ty:
Twenty-twenty; Thirty, thirty; Forty forty; Fifty fifty; Sixty-sixty; Seventy seventy; Eighty-eight; ninety
4. A few dozen equals ten plus one:
Such as thirty-four 34; ;
100 is one percent/one percent, and 100 is added below, for example, 145 is one forty-five.