2桁同士の乗算

(1)

18
×
594

(2)

×
21
1512

(3)

99
×
9801

(4)

×
73
2482

(5)

90
×
2610

(6)

×
76
6004

(7)

90
×
7830

(8)

×
92
1380

(9)

22
×
1936

(10)

×
44
3696

(11)

×
61
5185

(12)

11
×
616

(13)

52
×
884

(14)

15
×
1110

(15)

69
×
1656

(16)

×
68
1700

(17)

23
×
1288

(18)

68
×
2244

(19)

×
46
2622

(20)

×
63
3843

(21)

42
×
3528

(22)

13
×
572

(23)

×
24
2040

(24)

22
×
1034

(25)

×
83
7968

(26)

×
50
1350

(27)

×
39
2067

(28)

54
×
1836

(29)

×
41
3895

(30)

×
24
1032

(31)

33
×
792

(32)

85
×
935