Question

Calculati in modul cel mai rational:
a)-9+(13)+17+(-6)+11;
b)14+(-8)+(-25)+12+7;
c)43-60+12+39-21.
VA ROG!!

Answer 1

a) -9+13+17+(-6)+11=
13+17+11+(-6)-9
41+(-15)
41-15
26

b) 14+(-8)+(-25)+12+7
14+12+7+(-25-8)
33-33
0

c) 43-60+12+39-21
43+12+39-60-21
94-81
13

Answer 2

a)-9+13+17-6+11=27
b)14-8-25+12+7=0
c)43-60+12+39-21=13