Question

Answer 1

a: =-(175+436)=-611

b: =-630+360=-270

c: =123-210=-87

d: =-(419-312)=-107

Answer 2

`@Muopngot k h a t `

`a) -176 - 436 = -176 + (-436) = -(176+436) =-611`

`b) -630 - (-360 ) = -630 + 360 = -(630-360)=-270`

`c) 123 - 210 = 123 + (-210) = -(210-123)=-87`

`d) 312 - 419 = 312 + (-419 ) = -(419-312)=-107`