Question

*(7,6)= -7,6 ; +(*99)= -99 ; -(*56) = 56

Answer 1

$1)* -$2) *-"-"\
3) *-"-"
" title="
1)* - "-"\
2) *-"-"\
3) *-"-"
" alt="
1)* - "-"\
2) *-"-"\
3) *-"-"
" />
Везде минусы вместо "*"