Question

19 15
_ + _ =
20 20

3 5 1
_ + _ + _ =
5 3 5

4 1
_ - _ =
5 5


10 4 1
_ - _ - _ =
5 10 5

Answer 1

Explicación paso a paso:

1)19/20+15/20=1.7 2)-3/5+5/3+1/5=2.46666666667 3)-4/5-1/5=0.76923076923 4)-10/5-4/10-1/5=1.4