Question

7x4+13x5+20 = ?

Answer 1

7x4+13x5+20

= 28 + 65 + 20

= 28 + 20 + 65

= 48 + 65

= 113

Answer 2

7 x 4 +13 x 5 + 20

= ( 7x4 ) + ( 13 x 5 ) + 20

= 28 + 65 + 20

= 93 + 20

= 113

mình cũng chưa chắc lắm ! hihi !!

Answer 3

7x4+13x5+20

=28+65+20

=20+60+20+8+5

=100+13

=113

Answer 4

7x4+13x5+20

=28+65+20

=20+60+20+8+5

=100+13

=113