Question

Tính bằng cách thuận tiện nhất: 

90 . 18 + 14 . 118 + 118 . 76

GIẢI CHI TIẾT

Answer 1

90.18+14.118+118.76

=90.18+118.(14+76)

=90.18+118.90

=90.(18+118)

=90.136

=12240

Answer 2

90.18+(14.118+118.76)

=90.18+118(14+76)

=90.18+118.90

=90.(18+118)

=90.136

=12240

Answer 3

 

 = 90.18 + 118.(14+76)  =90.(18 +118)  = 90.136 = 12240

Answer 4

12240