HILLARYGISELVAZSILIN HILLARYGISELVAZSILIN Matemáticas contestada 1. (2 + 3− 4)− 39 ÷ 20 =2. 8− 6 + 3− 2 * 2 =3. [8+(4-2)] + [9-(3+1)] =4. (5 + 115)- (9-10) =5. (-99 +105) ÷ ( − ) =6. 5 + 6 / 2 -2 =7. 10/2 + 3 * 4 =8. 3(8-1)+4(3+2)-3(5-4) =9. 40÷5 x5+6÷2 x3+4-5 x 2÷10 =