11 21+2 32*3 41+2*3+4 5(1+2)*(3+4) 61*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1+1*1 70.000000000000000000000000000000000000000000000000001 8-0.000000000000000000000000000000000000000000000000001 91e2147483648 101e4294967296 111e9223372036854775808 121e18446744073709551616 131e-2147483649 141e-4294967296 151e-9223372036854775809 161e-18446744073709551616 17self::-name 18