1. I have many ________. I can draw pictures with them. 2. He has three ________. 3. My friend Jim has ________ books. 4. Ten ________ twenty is thirty. 5. Ninety ________ thirty is sixty.
拍拍手,读读下面的歌谣。 A plus B is 100. A minus B is 20. A is 60, B is 40. A plus B is 90. A minus B is 50. A is 70, B is 20. A plus B is 70. A minus B is 10. A is 40, B is 30.
翻译下列句子 1. What’s six plus twenty? ___________________________________________________ 2.50+20=? ___________________________________________________ 3. Do you know the missing number? ___________________________________________________ 4. The missing number is twenty. ___________________________________________________
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