Matching Pairs Jerarquía de operaciones Online version Serie de ejercicios by Diana Hernández González 1 25/5+2.5 2 80/2(38-40) 3 2(3)(2)- 50 4 (2+4)-10 5 -10-100+1000 6 2(7+10-35) 7 94(2) - 100 8 (-135-15)+10(2) 9 (100/5)-120 10 5(6)+(-7+13)= 890 36 -80 -100 -130 7.5 -38 -4 88 -36