2桁と1桁の乗算

(1)

 
×
8
＝
272

(2)

 
×
4
＝
396

(3)

70
×
 
＝
560

(4)

 
×
7
＝
182

(5)

92
×
 
＝
184

(6)

 
×
3
＝
45

(7)

88
×
 
＝
352

(8)

 
×
6
＝
546

(9)

39
×
 
＝
78

(10)

70
×
 
＝
490

(11)

 
×
5
＝
305

(12)

20
×
 
＝
80

(13)

 
×
3
＝
72

(14)

36
×
 
＝
144

(15)

31
×
 
＝
62

(16)

92
×
 
＝
644

(17)

 
×
5
＝
405

(18)

58
×
 
＝
522

(19)

 
×
5
＝
430

(20)

 
×
8
＝
104

(21)

 
×
5
＝
475

(22)

 
×
6
＝
216

(23)

 
×
4
＝
96

(24)

47
×
 
＝
329

(25)

 
×
4
＝
276

(26)

81
×
 
＝
648

(27)

21
×
 
＝
147

(28)

89
×
 
＝
712

(29)

 
×
8
＝
656

(30)

 
×
2
＝
180

(31)

82
×
 
＝
164

(32)

30
×
 
＝
240