• 14、Thank you very much for taking me with you on that splendid outing to London. It was the first time that I had seen the Tower or any of the other famous sights. If I'd gone alone, I couldn't have seen nearly as much, because I wouldn't have known my way about.
多少只?
48×4= 192(只)
48
×1 3 4 192
归纳总结
两位数乘一位数(连续进位)笔算方法:相同数位对齐, 从个位算起,用一位数依次去乘两位数每一位上的数, 与个位上的数相乘满几十就要向十位进几;与十位上的 数相乘并加上进位的数,满几百就要向百位进几。
试一试 4×272= 1088
272
534
36
×1 3 5 18 0
584
×4
5
7
2
40 8 8
想想做做 2、
先找出错在哪里,再改正。
想想做做 3、用竖式计算。
23×7 23
×
7
1
2
161
517×8 517
×4 1
58
41 3 6
6×34 34
×
6
2
2
204
8×642
642
×5 3 1 8 51 3 6
想想做做 4、
9节这样的车厢一共有多少个座位? 112×9= 1008(个)
答:9节这样的车厢一共有1008个座位。