2桁同士の乗算

(1)

 
×
35
＝
2205

(2)

 
×
16
＝
384

(3)

 
×
42
＝
1638

(4)

 
×
21
＝
651

(5)

74
×
 
＝
5550

(6)

 
×
75
＝
3900

(7)

33
×
 
＝
1716

(8)

98
×
 
＝
8526

(9)

 
×
54
＝
4536

(10)

 
×
46
＝
828

(11)

57
×
 
＝
2679

(12)

70
×
 
＝
1330

(13)

 
×
43
＝
3913

(14)

 
×
16
＝
784

(15)

88
×
 
＝
2552

(16)

 
×
19
＝
627