Select the example$/$s below that show entries that would be accepted for the equations presented.

$3\mathrm{.}4+2\mathrm{.}6=6$

:$6$

$0\mathrm{.}648\mathrm{.}43=0\mathrm{.}075919335705813$

$,$:$0\mathrm{.}075919336$

$-2,420+3,100=680$

$,$:$680$

$12\mathrm{.}1945\mathrm{.}71=69\mathrm{.}62774$

$0\mathrm{.}648\mathrm{.}43=0\mathrm{.}075919335705813$

$$

$12\mathrm{.}1945\mathrm{.}71=69\mathrm{.}62774$

$$: $69\mathrm{.}627$

$3\mathrm{.}4+2\mathrm{.}6=6$

$$: $6\mathrm{.}0$