Cls a patra ,va tog dau 40 de puncte urgent!!!

75498+432=75498+400+32
=75898+32
=75930
654395+87=654395+80+7
=654475+7
=654482
75420+3012=75420+3000+12
=78420+12
=78432
124541+3045=124541+3000+41
=127541+41
=127582