a. -20x(75+(-50)):(-100)= b. (-115+45)x27:30=

Name: a. -20x(75+(-50)):(-100)= b. (-115+45)x27:30=
Uploaded: 2024-06-29T17:07:00
Duration: PT5M13.9627S
Description: a. -20x(75+(-50)):(-100)= b. (-115+45)x27:30=