ADICIÓN
-33+56=
+23
(25)- (-12) =
37
(-4)(+9)=
-36
(+1):(-1):(+1):(-1):(-1)=
- 1
-68-15+23=
-60
(-28)-(25)-(+30)=
-83
(36)(-5)(-2)=
360
-188/-4=
+47
-25+35-91-25+100=
-6
(-23)-(-75)-(25.9)=
26.1
(9)(-2)(-5)(-3)=
-270
304:8:-2=
-152
0.85 +0.35-0.60-0.3+4.5-0.8=
+4
(-1.25)-(0.75)-(-3.5)-(0.5)=
1
(-1.2)(2)(-6)=
14.4
(3.6):(-3):(-6)=
+2
-1/12+2/12-5/15=
-4/12
(-4/6)-(-25/6)-(9/6)=
12/6 Ó 2
(-2/5)(1/3)(9/5)=
-18/75
(-12/24) : (-10/3)=
36/240=18/120=9/60=3/20