1er tarea 1-4 Algebra

1 7+12-6+1+5-2-2= -7
2 +10-4+6-3-5+7+10+16-8-4-47= +20
3 -24-72-144= -576
4 -6-24-120-115-690+4830= -38640
5 -1+7+14-6-4-16+12-21+42= -39
6 1+3= +4
7 3-11+4= -15
8
9 1.3+3+1+0.4+0.75-1617= -1615.8
10 3.6+4.5+8.33-1.5-14.2= 8.83
11 4.6/2.09+1.6*1.25= 4.626
12 0.2*8/3.57*2.16/1.714+1.5= 2.064800