sao ko giúp e

lười mà anh có thời gian để hỏi đó

bài này đó 

1. Rút gọn 

A= -56.49+(-49).44/73.14+(-14).(-27)

B=2^6.39+4^3.24/(-4)^2.17+2^4.46

help me

Hoàng bad bot ( thích ngắm gái)

khi nãy bảo giúp mà ko giúp

1. Rút gọn 

A= -56.49+(-49).44/73.14+(-14).(-27)

B=2^6.39+4^3.24/(-4)^2.17+2^4.46

help me

1. She was very happy because she was given a new bike

=> She was very happy because of being given a new bike.

=> She was given a new bike so she was very happy.

2. He failed the exam because he didn't learn the lesson carefully

=> He failed the exam because of not learning the lesson caryfully.

=> He didn't learn the lesson carefully so he failed the exam.

?????