Question

1)ce nr nat impartit la 37 da catul 14 si rest 31?
2)folosind factorul comun si proprietatile operatiilor aritmetice ,calculati rapid:
73 x5 +73 x 89 +73 x 11

Answer 1

1) 37×14+31=
=518+31 =
=549
2) 73×(5+89+11)=
=73× 105
=7665

Answer 2

a: 37=14 rest31    a=37x14+31     a=549

73 x5 +73 x 89 +73 x 11=73x(5+89+11)=73x105=7 665