2318+5195+6682=2318+6682+5195=9000+5195=14195
А-9999=101010
а= 101010+9999
а=111009
Ответ:111009
6/10+7/30+1/2=
6/10+1/2=11/10
11/10+7/30=4/3
5/6-3/4=(10-9)/12=1/12
9/14+8/21=(54+32)/84=86/84=1 целая 2/84=1 целая 1/42
7/9+5/12-3/4=(28+15-27)/36=16=36=4/9