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