bxbyari
bxbyari
19-04-2018
Mathematics
contestada
^^what is the answer^^
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riyanandola
riyanandola
19-04-2018
(+2) (+2)=
(+2) (-2)=
(-2) (-2)
4. Divide
+2/+2
+2/-2
-2/2
5. (-10) + (-20) =
(+10) + (-20)=
6. (-20) - (30)=
(-20) - (+30)=
(+20) - (-30)=
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