Question

pls tell this answer​

Answer 1

Answer:

Here is the answer =>

Step-by-step explanation:

1. 100+(-55)+(-45)

=>100-(55+45)

=>100-(100)

=>0.

2. -531+(-36)+31+(-142)

=>-(531+36+142)+31

=>-709+31

=>-678.

☞So 0 and -678 are the respective answers.

HOPE IT HELPS.