Question

5*10*90+90+90=?

Answer 1

5*10*90+90+90

=50*90+90+90

=4500+90+90

=4590+90

=4680

Answer 2

5*10*90+90+90

=50*90+2*90

=90*(50+2)

=90*52

=4680

Answer 3

ket qua 4680

Answer 4

5x10x90+90+90

=50x90+90+90

=4500+90+90

=4590+90

=4680

Answer 5

5 *  10 * 90 + 90 +90

= 50 * 90 + 90 * 2

= 4500 + 180

= 4680