Let’s ReviewLet’s ReviewLet’s Review387474038527963113526407890个位十几几十oneelevententwotwelvetwentythreethirteenthirtyfourfourteenfortyfivefifteenfiftysix sixteensixtysevenseventeenseventyeighteighteeneightyninenineteenninety nine hundredeighty-sevenandone hundredtwelveandWhat’s ten and twenty?Ten and twenty is thirty.
