Răspuns :
-7+3-18=-(7+18-3)=-22
-(36-25+3)=-14
413-(248+161)=413-409=4
12-(9+6)=-3
42-(29+17)=49-46=3
8-(25+11)=8-36=-28
76-(54+11)=76-65=11
19-27=-8
327-(304+28)=327-332=-5
-(36-25+3)=-14
413-(248+161)=413-409=4
12-(9+6)=-3
42-(29+17)=49-46=3
8-(25+11)=8-36=-28
76-(54+11)=76-65=11
19-27=-8
327-(304+28)=327-332=-5