Câu hỏi của Pham Trong Bach

Question

Viết vào ô trống (theo mẫu ):

a
 b
 c
 a + b + c
 a × b × c
 (a +b) × c

2
 3
 4
 9
 24
 20

5
 2
 6

6
 4
 3

10
 5
 2

16
 4
 0

Cao Minh Tâm · Accepted Answer

a
 b
 c
 a + b + c
 a × b × c
 (a +b) × c

2
 3
 4
 9
 24
 20

5
 2
 6
 13
 60
 42

6
 4
 3
 13
 72
 30

10
 5
 2
 17
 100
 30

16
 4
 0
 20
 0
 0Câu trả lời: a
 b
 c
 a + b + c
 a × b × c
 (a +b) × c

2
 3
 4
 9
 24
 20

5
 2
 6
 13
 60
 42

6
 4
 3
 13
 72
 30

10
 5
 2
 17
 100
 30

16
 4
 0
 20
 0
 0

a	b	c	a x (b + c)	a x b + a x c
4	5	2	4 x (5 + 2) = 28	4 x 5 + 4 x 2 = 28
3	4	5
6	2	3

a	b	c	a x (b + c)	a x b + a x c
4	5	2	4 x (5 + 2) = 28	4 x 5 + 4 x 2 = 28
3	4	5	3 x (4 + 5) = 27	3 x 4 + 3 x 5 = 27
6	2	3	6 x (2 + 3) = 30	6 x 2 + 6 x 3 = 30

a	b	c	a x (b + c)	a x b + a x c
4	5	2	4 x (5 + 2) = 28	4 x 5 + 4 x 2 = 28
3	4	5
6	2	3

a	b	c	a x (b + c)	a x b + a x c
4	5	2	4 x (5 + 2) = 28	4 x 5 + 4 x 2 = 28
3	4	5	3 x (4 + 5) = 27	3 x 4 + 3 x 5 = 27
6	2	3	6 x (2 + 3) = 30	6 x 2 + 6 x 3 = 30

a	b	c	a x (b - c)	a x b - a x c
3	7	3	3 x (7 - 3) = 12	3 x 7 - 3 x 3 = 12
6	9	5	6 x (9 - 5) = 24	6 x 9 - 6 x 5 = 24
8	5	2	8 x (5 - 2) = 24	8 x 5 - 8 x 2 = 24