Question

832.1) -4,5 + (-3,5); 2) 9 + (-31) 3) -55+ (-45). 2) -1,5 + (-7,3);​

Answer 1

Пошаговое объяснение:

1)

-4,5+(-3,5)= - 4,5-3,5= - 8

2)

9+(-31)=9-31= - 22

3)

-55+(-45)= - 55-45= - 100

4)

-1,5+(-7,3)= - 1,5-7,3= - 8,8

Answer 2

Let's solve the given expressions:

1. -4.5 + (-3.5) = -8

2. 9 + (-31) = -22

3. -55 + (-45) = -100

4. -1.5 + (-7.3) = -8.8

Please note that the comma (,) in the given numbers represents a decimal point, so the calculations are performed accordingly.