Question

Add the following.
1) (+74) and (+43)
2) (-90) and (+54)
3) (-20) and (+34)
4) (-456) and (-43)
5) (+45) and (-34)
6) (+543) and (-967)
7) (-23) and (-76)
8) (-189) and (+467)
9) (+305) and (-144)
10) (-346) and (-132) ​

Answer 1

Answer:

1. 117

2.36

3.14

4.499

5.11

6.424

7.99

8.278

9.261

10.478

Answer 2

Answers

1) (+74)+(+43)

= 74+43

=117

2) (-90)+(+54)

= -90-(+54)

= -36

3) (-20)+(+34)

= -20-34

= 54

4) (-456)+(-43)

= -456+43

= -499

5) 45+(-34)

= 45-34

= 11

6) 543+(-967)

= 543-967

= -424

7)-23+(-76)

= -23+76

= - 99

8) -189+(467)

= 189-467

= 278

9)305+(-144)

= 305-144

= 161

10) -346+(-132)

= -346+132

= -478

Additional information

+,+ =+

-,+ = -

+,-=-

-,-=+