2桁と1桁の乗算

(1)

 
×
2
＝
70

(2)

 
×
2
＝
28

(3)

 
×
2
＝
74

(4)

53
×
 
＝
477

(5)

 
×
5
＝
310

(6)

 
×
8
＝
672

(7)

 
×
5
＝
490

(8)

45
×
 
＝
180

(9)

 
×
4
＝
264

(10)

 
×
9
＝
405

(11)

80
×
 
＝
240

(12)

 
×
3
＝
177

(13)

 
×
8
＝
112

(14)

52
×
 
＝
52

(15)

 
×
5
＝
455

(16)

83
×
 
＝
747

(17)

 
×
9
＝
657

(18)

11
×
 
＝
22

(19)

93
×
 
＝
372

(20)

 
×
5
＝
375

(21)

 
×
5
＝
270

(22)

26
×
 
＝
182

(23)

98
×
 
＝
98

(24)

 
×
2
＝
24

(25)

56
×
 
＝
448

(26)

 
×
7
＝
420

(27)

 
×
3
＝
69

(28)

65
×
 
＝
195

(29)

51
×
 
＝
408

(30)

 
×
5
＝
245

(31)

80
×
 
＝
560

(32)

87
×
 
＝
348