2桁と1桁の乗算

(1)

20
×
 
＝
80

(2)

25
×
 
＝
175

(3)

 
×
3
＝
219

(4)

 
×
3
＝
174

(5)

 
×
8
＝
280

(6)

93
×
 
＝
372

(7)

19
×
 
＝
19

(8)

47
×
 
＝
423

(9)

 
×
9
＝
603

(10)

 
×
4
＝
96

(11)

80
×
 
＝
640

(12)

 
×
1
＝
70

(13)

 
×
7
＝
623

(14)

15
×
 
＝
15

(15)

 
×
8
＝
664

(16)

 
×
9
＝
324

(17)

16
×
 
＝
16

(18)

 
×
5
＝
150

(19)

88
×
 
＝
176

(20)

 
×
8
＝
784

(21)

 
×
5
＝
235

(22)

93
×
 
＝
465

(23)

65
×
 
＝
325

(24)

20
×
 
＝
20

(25)

 
×
5
＝
395

(26)

 
×
5
＝
70

(27)

23
×
 
＝
207

(28)

18
×
 
＝
144

(29)

48
×
 
＝
432

(30)

 
×
6
＝
150

(31)

91
×
 
＝
91

(32)

 
×
4
＝
384