ten eleven twelve thir teen four teen fif teen six teen seven teen eigh teen nine teen twen ty thir ty for ty fif ty six ty seven ty eigh ty nine ty twenty-one … twenty-nine thirty-one … thirty-nine forty-one … forty-nine fifty-one … fifty-nine sixty-one … sixty-nine seventy-one … seventy-nine eighty-one … eighty-nine y-one … y-nine hundred Learn these numbers and find out the rules: 1.基数词的拼写规则是什么? 2. 100,600,102,310,452 怎么读? Let ’ s discuss 3. Teen age r的意思 1. 1 - 12: (记住每个单词) 2. 13 - 19: -teen ( thir -; fif -; eigh -) 3. 20 - 90: - ty ( twen -; thir -; for- ; fif -; eigh -) 4. 21 - 99: 十位个位 5. 100 - 900: 1-9 hundred 6. 101 - 999: ____ hundred and __ __ 个位十位__个位 7.teen age r青少年
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