2桁同士の乗算

(1)

 
×
56
＝
2184

(2)

 
×
48
＝
2784

(3)

72
×
 
＝
1224

(4)

77
×
 
＝
2618

(5)

75
×
 
＝
6900

(6)

48
×
 
＝
1824

(7)

 
×
33
＝
858

(8)

34
×
 
＝
2788

(9)

39
×
 
＝
3588

(10)

86
×
 
＝
3956

(11)

 
×
51
＝
2754

(12)

15
×
 
＝
1020

(13)

 
×
12
＝
792

(14)

23
×
 
＝
276

(15)

32
×
 
＝
2816

(16)

 
×
11
＝
176