2桁同士の乗算

(1)

×
86
1548

(2)

×
35
3220

(3)

82
×
4264

(4)

×
64
5440

(5)

21
×
1554

(6)

63
×
5922

(7)

×
79
5688

(8)

×
12
456

(9)

45
×
1845

(10)

×
86
4300

(11)

×
62
4650

(12)

×
22
814

(13)

×
96
5472

(14)

89
×
4094

(15)

73
×
4672

(16)

27
×
2079