人教版数学三年级下册第四单元两位数乘两位数整理和复习、练习十三

第四单元,整理和复习,练习十三,整理和复习,1.在空格里填上相应的积。,20,25,30,35,40,45,50,55,60,22,23,24,25,26,27,28,29,30,440,550,660,770,880,990,1100,1110,1320,460,575,690,805,920,1035,1150,1265,1380,480,600,720,840,960,1080,1200,1320,1440,500,625,750,875,1000,1125,1250,1375,1500,520,650,780,910,1040,1170,1300,1430,1560,540,675,810,945,1080,1215,1350,1485,1620,560,700,840,980,1120,1260,1400,1540,1680,580,725,870,1015,1160,1305,1450,1595,1740,600,750,900,1050,1200,1350,1500,1650,1800,2.,冬冬家有4行橘子树，每行8棵，今年平均每棵收获橘子25千克。,（1）今年冬冬家一共收获橘子多少千克？,（3）把这些橘子装箱，每箱8千克。用5辆三轮车运走，平均每车运多少箱？,48=32（棵）,2532=,800（千克）,答：一共收获橘子800千克。,8008=,100（箱）,1005=,20（箱）,答：平均每车运20箱。,2.,冬冬家有4行橘子树，每行8棵，今年平均每棵收获橘子25千克。,（3）如果每千克橘子卖2元钱。你能提出数学问题并解答吗？,这些橘子一共卖得多少钱？,8002=,1600（元）,答：一共卖得1600元。,1.口算。,313=,1450=,1902=,1360=,17400=,60900=,245=,2580=,93,700,380,6800,6800,54000,120,2000,2.列竖式计算。,1616,1717,16,16,3,6,9,6,1,6,1,5,2,=256,17,17,4,9,11,7,1,9,8,2,=289,1818,2222,18,18,6,4,14,8,1,4,1,2,3,=324,22,22,4,4,4,4,4,8,4,=484,3724,5548,37,24,2,8,14,1,4,7,8,8,8,=888,55,48,4,0,44,2,0,22,0,4,6,2,=2640,2972,1843,29,72,1,8,5,6,3,20,8,8,0,2,=2088,18,43,2,4,5,3,2,7,4,7,7,=774,3.,（1）3030=(2)5050=,3129=5149=,3228=5248=,3327=5347=,900,899,896,891,2500,2499,2496,2491,发现：第一个乘数依次增加1，第二个乘数依次减少1，两个乘数的和保持不变，所得的积减少的数量依次是1、3、5、7,4.,2822=,616（个）,6166=,3696（个）,答：一共投送3696个快递邮件。,5.,12607=,180（元）,1809=,20（元）,答：平均每小时收入20元。,6.,84=32（个）,329=,288（人）,答：参赛队员一共有288人。,2886=,48（人）,483=,16（