《2025年灵机一动小学数学口算心算三年级上册苏教版》

第二单元 两、三位数乘一位数 口算练习 16
1
200× 2=400
2× 15=30
2× 150=300
11× 4=44
110× 4=440
0× 5=0
33× 2=66
330× 2=660
37× 4=148
370× 4=1480
2× 403=806
2× 34=68
2× 340=680
6× 0=0
210× 9=1890
2
7× 670=4690
3× 403=1209
75× 5=375
340× 2=680
7× 0=0
8× 602=4816
430× 3=1290
2× 440=880
625× 4=2500
4× 210=840
303× 3=909
2× 240=480
310× 2=620
703× 9=6327
4× 480=1920
3
1× 800=800
230× 3=690
140× 2=280
5× 900=4500
3× 320=960
403× 9=3627
5× 705=3525
440× 2=880
120× 3=360
2× 130=260
4× 120=480
3× 0=0
230× 2=460
2× 430=860
405× 6=2430

答案： 解析：本题主要考查两、三位数乘一位数的口算能力。
答案：
1.
$200× 2 = 400$
$2× 15 = 30$
$2× 150 = 300$
$11× 4 = 44$
$110× 4 = 440$
$0× 5 = 0$
$33× 2 = 66$
$330× 2 = 660$
$37× 4 = 148$
$370× 4 = 1480$
$2× 403 = 806$
$2× 34 = 68$
$2× 340 = 680$
$6× 0 = 0$
$210× 9 = 1890$
2.
$7× 670 = 4690$
$3× 403 = 1209$
$75× 5 = 375$
$340× 2 = 680$
$7× 0 = 0$
$8× 602 = 4816$
$430× 3 = 1290$
$2× 440 = 880$
$625× 4 = 2500$
$4× 210 = 840$
$303× 3 = 909$
$2× 240 = 480$
$310× 2 = 620$
$703× 9 = 6327$
$4× 480 = 1920$
3.
$1× 800 = 800$
$230× 3 = 690$
$140× 2 = 280$
$5× 900 = 4500$
$3× 320 = 960$
$403× 9 = 3627$
$5× 705 = 3525$
$440× 2 = 880$
$120× 3 = 360$
$2× 130 = 260$
$4× 120 = 480$
$3× 0 = 0$
$230× 2 = 460$
$2× 430 = 860$
$405× 6 = 2430$