第4课时练习课两位数乘两位数4优翼www.youyi100.comwww.youyi100.com www.youyi100.comwww.youyi100.com1.练习课 www.youyi100.comwww.youyi100.com2.练习课 www.youyi100.comwww.youyi100.com3.8894631403练习课 www.youyi100.comwww.youyi100.com4.练习课 www.youyi100.comwww.youyi100.com6.练习课 www.youyi100.comwww.youyi100.com7.练习课 www.youyi100.comwww.youyi100.com8.练习课 www.youyi100.comwww.youyi100.com（1）11×25=275（千克）34×20=680（千克）答：大米275千克，面粉680千克。（2）275+680=955（千克）1吨=1000千克，1000>955答：一次可以运回来。练习课 www.youyi100.comwww.youyi100.com（3）（答案不唯一）这批粮食一共需要多少钱？81×11=891（元）7×20×34=4760（元）4760+891=5651（元）答：这批粮食一共需要5651元。练习课 www.youyi100.comwww.youyi100.com9.练习课