Question

[ 7800 + (78 x 4)] x 2=

Answer 1

Sunt 2 tipuri in care ai putea rezolva exercitiul...

1) (7800+312)×2=
8112×2=16224
2) (tot de mai sus)
(7800+312)×2=
7800×2+312×2=
15600+624=16224

Answer 2

(78×100+78×4)×2
[78×4×(25+1)]×2
78×4×26×2
78×208

sper ca te am ajutat.