Addition
(+5)+(+6)
=+11
(+2)-(-10)
(+12)
(-13)+(+12)
= -1
(274)+(7895)
= 8169
(-300)-(-233)
(-77)
(+15)+(15)
(+30)
(+23)-(-12)
(+35)
(34)+(-27)
= 7
(236)+(892)
= 1128
(-678)-(-568)
(-108)
(+24)+(+36)
(+50)
(-23)-(-13)
= -10
(-57)-(-49)
= -8
(239)+(877)
+ 1116
(333)-(-247)
= 83
(+123)+(+72)
(+1950
(78)-(64)
= 14
(+83)+(-37)
= 120
(890)(7876)
= 8766
(233)-(22)-(209)
= 9
(+234)+(+77)
(+301)
(+237)-(-192)
= +329
(890)-(723)-(12)
= 155
(189)+(123)+(147)+(89765)+(7865)
= 98089
(-10010)-(10)-(-550)-(-9550)
0