lf half of a number is 30,then three-quarters of that number is------.

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• If half of a number is 30,then three-quarters of that number is _______.
• 1.About 60 percent of the students _____ from the south,the rest of them _____ from the north and foreign countries.A.are/is B.are/are　C.is/are D.are　2.Half of the workers here _____ under 30 _____.A.is/years B.are/year old C.is/years old D.are/years of age　3.Now Tom with his classmates _____ football on the playground.A.play B.are playing　C.plays D.is playing　4.The number of pages in this dictionary _____ about two thousand.A.are B.has　C.have D.is　5.
• lf half of a number is 30,then three-quarters of it is____.A.forty B.forty-five C.sixty D.fifty
• lf half of a number is 30,then three-quarters of that number is------.它的中文
• lf half of a number is 30,three-quarters of that number is
• If half of a number is 30,then three-quarters of that number is _______.为什么是45?
• lf half of a number is 30,then three-quarters of it is____.A.forty B.forty-five C.sixty D.fifty
• lf half of a number is 30,then three-quarters of that number is------.
• 一千卡等于多少千焦?
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