Question

300 + 100 + 50 + 50 + 90 + 10 + 400 + 1000 = ????

Tính nhanh

Answer 1

2000

k nha

Answer 2

bằng 2000

Answer 3

=2000

Answer 4

300 + 100 + 50 + 50 + 90 + 10 + 400 + 1000

= 300 + 100 + ( 50 + 50 ) + ( 90 + 10 ) + 400 + 1000

= 300 + 100 + 100 + ( 90 + 10 ) + 400 + 1000

= 300 + 100 + 100 + 100 + 400 + 1000

= 300 + 100 x 3 + 400 + 1000

= 300 + 300 + 400 + 1000

= 600 + 400 + 1000

= 1000 + 1000

= 2000

Answer 5

300 + 100 + 50 + 50 + 90 + 10 + 400 + 100

= 300 + 100 + ( 50 + 50 ) + ( 90 + 10 ) + 400 + 1000

= 400 + 100 + 100 + 400 + 1000

= ( 400 + 100 + 100 + 400 ) + 1000

= 1000 + 1000

= 2000

kick cho mình nha