suma de monomios
-8x-5x=
-11m, 8m=
9ab-15ab=
-xy-9xy=
mn-11mn=
1/2a-2/3b=
3/5b,3/4c=
1/3b,2/3b=
-1/2xy-1/2xy=
-3/5abc-2/5abc=
-4x²y 3/8x²y=
8/8mn,-8/4mn=
a-bc=
a,b,c=
a-b2c=
3m-2n,4p=
a²-7ab,-5b²=
x²-3xy,-4xy²=
x²-x²y,6=
2a-b,3a=
-m-8n,4n=
-7a,8a,-b=
1/2x,2/3y,8/4x=
-8x-5x=
-11m, 8m=
9ab-15ab=
-xy-9xy=
mn-11mn=
1/2a-2/3b=
3/5b,3/4c=
1/3b,2/3b=
-1/2xy-1/2xy=
-3/5abc-2/5abc=
-4x²y 3/8x²y=
8/8mn,-8/4mn=
a-bc=
a,b,c=
a-b2c=
3m-2n,4p=
a²-7ab,-5b²=
x²-3xy,-4xy²=
x²-x²y,6=
2a-b,3a=
-m-8n,4n=
-7a,8a,-b=
1/2x,2/3y,8/4x=
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