Question

помоги решить срочно​

Answer 1

5-25= -20

74-100= -26

35-49= -14

-17-21= -38

-200-400= -200

-5-(-5)=0

-13-(-28)=15

80-(-1800)= 1880

-74-(-70+2)= -146

Answer 2

3)
5-25=-20
74-100=-26
35-49= -14
-17-21=-38
-200-400=-600
-5-(-5)=0
-13-(-28)=15
80-(-1800)=1880
-74-(-70+2)=-6

4)
x=-43
x=39
x=-8
x=-72