Question

por favor es para hoy ;-;
7+5=
-6 – (+2) =
(-8) + (-3) =
+9 – (+2) =
(-4) + 9 =
(-8) – (-2) =
2 + ( -2) =
( +7 ) – (1)=
-9 + (+7) =
(+8) – (12) =
(-5) + (-13) =
-3.3 – ( -2.4 )=

Answer 1

Respuesta:

1. 7+5=12

• -6-(+2)=-8
• +9-(+2)=+7
• (-4)+9=5
• (-8)-(-2)=-6
• 2+(-2)=0
• (+7)—(1)=6
• -9+(+7)=-2
• (+8)—(12)=-4
• (-5)+(-13)=-18
• -3.3-(-2.4)=-0,9
• espero que te sirva…