练习三,北师大版 三年级下册,114=14,1014=140,14+140=154,100,60,80,48,100+60+80+48=288,20,40,30,40,50,70,60,70,40,70,40,60,答案不唯一,36,43,108,144,1548,19,23,57,38,437,65,15,325,65,975,77,17,539,77,1309,53,18,424,53,954,28,32,56,84,896,69,12,138,69,828,34,49,306,136,1666,2835=980(,个,),（,10+12,）,24=528(,瓶,),（,2,）,1836=648,（千米）,800-648=152,（千米）,课堂小结,通过这节课的学习活动，你有什么收获？,