题目

. Some American schools paid teachers more if their students improved on tests. Now there is a growing movement to pay the students --- in some cases, even just for coming to class. Students at one school in New Mexico can earn up to three hundred dollars a year for good attendance. A program in New York City pays up to five hundred dollars for good attendance and high test scores.   In Baltimore, Maryland, high scores on state graduation tests can be worth more than one hundred dollars. And a New Jersey school system plans to pay students fifty dollars a week to attend after-school tutoring14．竖式计算 615×52=407×68=325×54=