34x34+33X68=33x34+34+33x68=33x32+33x2+34+33x68=33x(32+68)+66+34=33x100+100=3400
34x34+33X68=34×34×33×2×34=34×(34+66)=34×100=3400
34x34+33X68=34x34+33X2X34=34X(34+66)=3400