小学教育 一道数学题： A school has 1028 students. There are 584 students in Year 4 or above and 648 in Year 4 or below. How many students are there in Year 4 in this school? 这个题目哪个年纪的小朋友应该会？Year 3， Year 4 or Year 5？ 有没有小朋...澳洲华人论坛 日期：2020-05-09
