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การคูณเลขเร็ว คณิตศาสตร์ ป.4

Total questions: 10

Worksheet time: 50secs

Name
Class
Date
1.

98,765 x 1

a)

98,765

b)

89,765

2.

345 x 10

a)

5,430

b)

3,450

3.

100 x 6,789

a)

987,600

b)

678,900

4.

12,000 x 1,200

a)

1,200,000

b)

14,400,000

5.

60,000 x 40

a)

2,400,000

b)

600,000

6.

152 x 60

a)

9,120

b)

1,290

7.

50 x 602

a)

30,100

b)

10,300

8.

20 x 603

a)

126,000

b)

12,060

9.

10,731 x 90

a)

965,790

b)

569,790

10.

5,987 x 4O

a)

9,539,480

b)

9,439,480