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Feri1cel1fericit
a fost răspuns

Calculati:
-4 x -6=
-5 x -7=
-2 x -11=
-8 x -13=
-9 x -10=
+4 x +8=
+7 x+11=
+10 x +2=
+7 x +9=
-4 x +10 =-
5 x +8=
-2 x +3=
-4 x +14 =
+7 x -6=
+9 x -6=
+2 x -12=

Răspuns :

CarauleanuMarc
-4 x -6=  24
-5 x -7= 35
-2 x -11= 22
-8 x -13=  104
-9 x -10= 90
+4 x +8= 32
+7 x+11= 77
+10 x +2= 20
+7 x +9= 63
-4 x +10 = -40
-5 x +8=  -40
-2 x +3= -6
-4 x +14 = -56
+7 x -6= -42
+9 x -6= -54
+2 x -12= -24
Nu uita : 
- x - = +
- x + = -
+ x + = +
Cocolino123
-4 x -6=>x-3/2
-5 x -7=>x=7/5
-2 x -11= >x=11/2
-8 x -13= >x=13/8
-9 x -10= >x=10/9
+4 x +8=>x=-2
+7 x+11= >x=-11/7
+10 x +2= >x=-1/5
+7 x +9= >x=-9/7
-4 x +10 =>x=5/2
5 x +8= >x=-8/5
-2 x +3=>x=3/2

Sper ca te-am ajutat! :)