2桁と1桁の乗算

(1)

80
×
 
＝
240

(2)

 
×
4
＝
304

(3)

15
×
 
＝
60

(4)

42
×
 
＝
252

(5)

 
×
6
＝
594

(6)

66
×
 
＝
330

(7)

26
×
 
＝
234

(8)

81
×
 
＝
729

(9)

19
×
 
＝
57

(10)

50
×
 
＝
100

(11)

57
×
 
＝
285

(12)

 
×
6
＝
78

(13)

 
×
2
＝
146

(14)

 
×
9
＝
351

(15)

 
×
3
＝
291

(16)

 
×
2
＝
176

(17)

87
×
 
＝
348

(18)

 
×
2
＝
192

(19)

 
×
5
＝
260

(20)

 
×
5
＝
275

(21)

70
×
 
＝
210

(22)

 
×
6
＝
384

(23)

 
×
2
＝
66

(24)

70
×
 
＝
350

(25)

 
×
5
＝
230

(26)

 
×
6
＝
258

(27)

31
×
 
＝
248

(28)

35
×
 
＝
105

(29)

54
×
 
＝
378

(30)

 
×
3
＝
72

(31)

 
×
4
＝
232

(32)

 
×
4
＝
364