Question

tính nhanh:14 x 8+7 x9 + 7 x 75

a nhanh mik tk cho

nhớ tk lại nhé:):):)

Answer 1

=7 x 2 x 8 + 7 x 9 + 7 x 75 

=7 x 16     + 7 x 9 + 7 x 75

=7 x (16 + 9 + 75)

=7 x 100

=700

tk đi 

mik tk lại ok:):):)

Answer 2

7.2.8+7.9+7.75

=7.16+7.9+7.75

=7.(16+9+75)

=7.100

=700

Answer 3

14.8+7.9+7.75

=7.2.8+7.9+7.75

=7(16+9+75)

=7.100

=700

k nhé xong mình k lại

Answer 4

14 x 8 + 7 x 9 + 7 x 75

= 7 x 2 x 8 + 7x 9 + 7x 75

= 7 x 16     + 7 x 9 + 7 x 75

= 7 x ( 16 + 9 + 75 ) 

= 7 x 100

= 700

Answer 5

14x8+7x9+7x75

=7x2x8+7x9+7x75

=7x16+7x9+7x75

=7(16+75+9)

=7x100

=700

Vậy 7x49+7x9+7x75=700