) 2 x 6 = 12 3 x 7 = 21
12 : 2 = 6 21 : 3 = 7
12 : 6 = 2 21 : 7 = 3
4 x 8 = 32 5 x 9 = 45
32 : 4 = 8 45 : 5 = 9
32 : 8 = 4 45 : 9 = 5
b) 600 : 3 = 200 800 : 4 = 200 400 : 2 = 200
600 : 2 = 300 800 : 2 = 400 500 : 5 = 100
a) 2x6=12 3x7=21
12:2=6 21:3=7
12:6=2 21:7=3
4x8=32 5x9=45
32:4=8 45:5=9
32:8=4 45:9=5
b) 600:3=200 800:4=200 400:2=200
600:2=300 800:2=400 500:5=100
A Legend Never Dies
Tính nhẩm
a)2×6=12 3×7=21
12:2=6 21:3=7
12: 6=2 21:7=3
4×8=32 5×8=45
32:4=8 45:5=9
32:8=4 45:9=5
b)600:3=200 800:4=200 400:2=200
600:2=300 800:2=400 500:5=100
2x6=12
12:2=6
12:6=2
4x8=32
32:4=8
32:8=4
600:3=200
600:2 300
3x7=21
21:3=7
21:7=3
5x9=45
45:5=9
45:9=5
800:4=200
800:2=400
400:2=200
500:5=100
dễ quá nhưng tui ko bít viết viết dấu nhân nên ko trả lời được
2\(\times\) 6=12
12:6=2
12:2=6
4\(\times\) 8=32
32:4=8
32:8=4
3\(\times\) 7=21
21:3=7
21:7=3
5\(\times\) 9=45
45:5=9
45:9=5
b)
600:3=200
600:2=300
800:4=200
800:2=400
400:2=200
500:5=100
a) 2 x 6 = ...12... 3 x 7 = .21.....
12 : 2 = ..6.... 21 : 3 = .7.....
12 : 6 = ...2... 21 : 7 = 3......
4 x 8 = .32..... 5 x 9 = 45......
32 : 4 = ...8... 45 : 5 = ..9....
32 : 8 = ...4... 45 : 9 = .5.....
b) 600 : 3 = ...200... 800 : 4 = 200...... 400 : 2 = 200......
600 : 2 = ..300.... 800 : 2 = ..400.... 500 : 5 = ..100....