3C SUMA DE NÚMEROS CON SIGNO
Quiz by Linda Lopez
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​-10+9
19
1
-19
-1
​3-8=
-11
11
-5
5
-10+9
3-8=
-4-2=
-5+(-1)=
-6-(-4)=
9-(-9)=
2+(-1)=
-5-15=
9+7=
9+(-9)=
