Question

restar:
1. m2-n2-3mn de -5mn2-n2+6mn
2. x5-x2y3+6xy4+25y5 de -3xy4-8x3y2-19y5+18
3. -4a3b-1/10ab+2/3a2b2-9 de -3/5ab+1/6a2b2-8
4.1/2m2n+3/8mn2-1/5n3 de 4/10n3-1/2m2n+3/12mn2+1/9
5. 1/4a2-2b+3 de 4/7a2+2ab +3/4b-5

Answer 1

que toca hacer solo hay numeros