2桁と1桁の乗算

(1)

 
×
3
=
291

(2)

 
×
1
=
50

(3)

24
×
 
=
144

(4)

47
×
 
=
47

(5)

 
×
8
=
664

(6)

40
×
 
=
200

(7)

 
×
4
=
140

(8)

45
×
 
=
270

(9)

46
×
 
=
322

(10)

 
×
1
=
54

(11)

57
×
 
=
513

(12)

57
×
 
=
57

(13)

 
×
5
=
50

(14)

 
×
6
=
582

(15)

65
×
 
=
65

(16)

 
×
2
=
70

(17)

 
×
3
=
111

(18)

73
×
 
=
438

(19)

21
×
 
=
147

(20)

70
×
 
=
350

(21)

 
×
2
=
76

(22)

 
×
8
=
352

(23)

50
×
 
=
150

(24)

50
×
 
=
400

(25)

 
×
7
=
259

(26)

 
×
4
=
252

(27)

 
×
8
=
640

(28)

90
×
 
=
810

(29)

36
×
 
=
288

(30)

 
×
6
=
378

(31)

58
×
 
=
232

(32)

44
×
 
=
396