7- (-2 ) =7- (+2) =2- (-9) =-5 - (-1) =-5 - (+1) =-4 - (+3) =8 - (-5) =7

Articles
Register
Sign In

Marianyy @Marianyy

May 2020 2 78 Report

7- (-2 ) =
7- (+2) =
2- (-9) =
-5 - (-1) =
-5 - (+1) =
-4 - (+3) =
8 - (-5) =
7 - (+4 ) =

Please enter comments

Please enter your name.

Please enter the correct email address.

Agree to terms and service

You must agree before submitting.

Lista de comentários

flavinhoosilva

Verified answer

7-(-2)= 7+2=+9. 7-(+2)= 7-2=+5 -5-(-1)= -5+1=-6 -5-(+1)= -5-1=-4 -4-(+3)= -4-3=-1. 8-(-5)= 8+5=+15. 7-(+4)= 7-4=3

0 votes Thanks 2

eluciamonteiro Regra de sinais:
+ com + = +
+ com - = -
- com + = -
- com - = +

7- (-2 ) =
7 + 2
9

7- (+2) =
7 - 2
5

2- (-9) =
2 + 9
11

-5 - (-1) =
- 5 + 1
- 4

-5 - (+1) =
- 5 - 1
- 6

-4 - (+3) =
- 4 - 3
- 7

8 - (-5) =
8 + 5
+ 13

7 - (+4 ) =
7 - 4
3

1 votes Thanks 1