2桁と1桁の乗算

(1)

21
×
 
＝
63

(2)

 
×
4
＝
48

(3)

73
×
 
＝
511

(4)

 
×
4
＝
320

(5)

 
×
7
＝
266

(6)

90
×
 
＝
180

(7)

 
×
6
＝
498

(8)

21
×
 
＝
21

(9)

92
×
 
＝
828

(10)

 
×
8
＝
144

(11)

47
×
 
＝
47

(12)

 
×
2
＝
68

(13)

 
×
8
＝
192

(14)

71
×
 
＝
497

(15)

85
×
 
＝
340

(16)

 
×
9
＝
270

(17)

 
×
3
＝
192

(18)

91
×
 
＝
91

(19)

27
×
 
＝
135

(20)

82
×
 
＝
164

(21)

 
×
9
＝
603

(22)

 
×
1
＝
12

(23)

 
×
3
＝
231

(24)

 
×
2
＝
136

(25)

 
×
1
＝
39

(26)

65
×
 
＝
130

(27)

19
×
 
＝
19

(28)

53
×
 
＝
265

(29)

 
×
8
＝
504

(30)

 
×
9
＝
477

(31)

 
×
5
＝
90

(32)

 
×
1
＝
33