Question

find the difference btwn​

Answer 1

Answer:

u can do it by using formula of integers

(+) (+) = +

(-)(-) = +

(+)(-) = -

(-( (+) = +

Answer 2

Answer:

a) 170

b) 600

Step-by-step explanation:

When the negative sign of a integer comes near a subtraction sign, the merge to form plus of (+) sign. The table is :

subtraction + subtraction = +

addition + addition = +

subtraction + addition = -

addition + subtraction = -