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What do English words mean in mathematics?
Ten 10

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.