2桁同士の乗算

(1)

83
×
1411

(2)

×
65
4810

(3)

×
69
2484

(4)

×
63
3402

(5)

×
15
705

(6)

83
×
2656

(7)

33
×
1551

(8)

×
30
1290

(9)

×
37
703

(10)

×
39
2730

(11)

75
×
7350

(12)

55
×
4840

(13)

63
×
5985

(14)

×
37
3367

(15)

×
21
231

(16)

40
×
3440