MARIANAMZ031208IN MARIANAMZ031208IN Matemáticas contestada A.-21+13+88x11+30x11+44 B.-3x{68x(25+20-23)+25-7} C.-9+12x(12+10+62)x(11-7) D.-24-9+36-19-4+18-26 E.-11x12x{9+2+39-(15+8)} ME PUDAN AYUDAR PLISSS