苏教版_三年级_上册_三位数乘一位数的笔算__课件.ppt

4006,3006,3002,6002,6006,=800,=2400,=1200,=1800,=600,=3600,4002,1.口算,2.笔算,524,484,每分钟跑152米,想想做做1,9,4,5,6,9,4,2,7,2,8,1,2,1,4,想想做做2,1317 6128 3393 4541,用竖式计算。,想想做做3,算一算，看看积各是几位数。,=783,=1863,=984,=2496,你发现了什么？,想想做做4,132=26,333=99,想想做做5,1127=784（个）,答：7节这样的车厢共有784个座位。,想想做做6,8962=1792（个）,答：今年放养1792尾。,