[2430-6*(723-319)]*2+488 =
1428:[(1500-1496)*5+2*11]-34 =
[7*216-(512+548)+2*324]:11 =

1)723-319=404
6*404=2424
2430-2424=6
6×2=12
12+488=500
2)1500-1496=4
4×5=20
2×11=22
20+22=42
1428÷42=34
34-34=0
3)512+548=1060
7×216=1512
2×324=648
1512-1060=452
452+648=1100
1100÷11=100