Question

resolva as expressoes a)(-0,25)+(1/10)-(-3/5)+(-1/8)=

Answer 1

-0,24 + 0,10 - 0,6 - 0,25

-0,99

Answer 2

1) - 0,25 = - 1/4
2) -1/4 + 1/10 + 3/5 - 1/8
3) M.m.c das bases = 40
-10 + 4 + 24 - 5/40
4) Resp. = 13/40