5 + 5 + 9 + 6 + 10
= 10 + 9 + 6 + 10
= 19 + 6 + 10
= 25 + 10
= 35
5+5+9+610=(5+5)+(9+6)+10
=10+15+10
=(10+10)+15
=20+15
=35
5 + 5 + 9 + 6 + 10
= 10 + 9 + 6 + 10
= 19 + 6 + 10
= 25 + 10
= 35
5 + 5 + 9 + 6 + 10
= 10 + 9 + 6 + 10
= ( 10 + 10 ) + 9 + 6
= 20 + 9 + 6
= 20 + 3 x 3 + 3 x 2
= 20 + 3 x ( 3 + 2 )
= 20 + 3 x 5
= 20 + 15
= 35
Vậy kết quả :
= 35
5 + 5 + 9 + 6 + 10
= 10 + 9 + 6 + 10
= 19 + 6 + 10
= 25 + 10
= 35