Question

có ai kb vs mk ko nè

2017-2018+2019-2020

tick đúng cho mk nha

Answer 1

2017-2018+2019-2020=(2017-2018)+(2019-2020)=-1+-1=-2

Answer 2

2017 - 2018 + 2019 - 2020 = -2

k cho mình nha, bạn bè mà.

Answer 3

2017-2018+2019-2020

= -2 

Mk kb nha

Hok tốt

Answer 4

Trả lời :

2017-2018+2019-2020 = -2

Hk tốt

Answer 5

=-2

Kb rùi 

Hok tốt

Answer 6

-2 nha

^~^

Answer 7

2017 - 2018 + 2019 - 2020 = -2