选择正确的单词填入括号中并在下面的横线上写出算式。(10分)
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(1)Thirteen plus ________ equals twenty-five.
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(2)_______ plus eight equals forty-eight.
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(3)Forty –five plus fifty-five equals ____________.
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(4)Twenty-four plus _______ equals eighty-two.
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(5)Eight plus two equals __________.
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