Question

-5 (+9),3+(-5),-1+(-3),7+(-7),-2+2,-4+0​

Answer 1

Ответ:

1)4 ; 2) -2 ; 3) -4 ; 4)0 ; 5) 0 ;6) -4

Answer 2

Let's solve the given arithmetic expressions:

-5 + (+9) = 4 In this expression, the positive sign before 9 does not affect the value, so we can remove it. -5 + 9 = 4.

3 + (-5) = -2 When we add a negative number, it is the same as subtracting its absolute value. So, 3 + (-5) = 3 - 5 = -2.

-1 + (-3) = -4 Adding two negative numbers is the same as subtracting their absolute values. So, -1 + (-3) = -1 - 3 = -4.

7 + (-7) = 0 The sum of a number and its additive inverse (opposite) is always zero. So, 7 + (-7) = 0.

-2 + 2 = 0 Just like the previous example, the sum of a number and its additive inverse is zero. So, -2 + 2 = 0.

-4 + 0 = -4 Adding zero to any number does not change its value. So, -4 + 0 = -4.

Therefore, the solutions to the given arithmetic expressions are: -5 (+9) = 4 3 + (-5) = -2 -1 + (-3) = -4 7 + (-7) = 0 -2 + 2 = 0 -4 + 0 = -4