Question

20 × 20

40 × 40

60 × 60 

80 × 80

100 × 100

Answer 1

20 × 20=400

40 × 40=1600

60 × 60 =3600

80 × 80=6400

100 × 100=10000

Answer 2

400

1600

3600

6400

10000

Answer 3

20 × 20 = 400

40 × 40 = 1600

60 × 60 = 3600

80 × 80 = 6400

100 × 100 = 10000

chúc bạn học tốt

Answer 4

20x20=400

40x40=1600

60x60=3600

80x80=6400

100x100=10000

Answer 5

ngu nhu cho