Question

A) (-40)-(+13)=

B) (+52)-(-16)=

C) (-18)-(+20)=

D) (+12)-(-14)=



A) (-14).(-2)+(+18)=

B) (-13)-(-1).(-11)=

C) (-20).(-4).(-1)+(-1).(-3)=

Answer 1

A) (-40)-(+13)= - 40 - 13 = - 53

B) (+52)-(-16)= +52+16 = + 68

C) (-18)-(+20)= - 18 - 20 = - 38

D) (+12)-(-14)= + 12 + 14  = + 26



A) (-14).(-2)+(+18)= + 28 + 18 = + 46

B) (-13)-(-1).(-11)= - 13 -(+11) = - 13 - 11 = - 24

C) (-20).(-4).(-1)+(-1).(-3)= (-80) + (+3) = - 80 + 3 = - 77