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Lesson V What's the Missing
Number?
Let's talk.
Boys and girls, look here.
What's the missing number?
Sorry, I don't know.
Think it over.Sixteen minus two
is fourteen.Eight minus two is
six.
Oh, I see.The missing
number is eight.
What a clever boy!
What's 90 minus
30?
It's 60.
Magic box
sixty
seventy
eighty
ninety
one hundred
clever
Listen, number and write.
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