b) ( 18 - 9 × 2) × ( 2 + 4 + 6 + 8 + 10 )
Giải thích
b) ( 18 - 9 × 2) × ( 2 + 4 + 6 + 8 + 10 )
= (18 – 18) × ( 2 + 4 + 6 + 8 + 10 )
= 0×( 2 + 4 + 6 + 8 + 10 )
= 0
b) ( 18 - 9 × 2) × ( 2 + 4 + 6 + 8 + 10 )
= (18 – 18) × ( 2 + 4 + 6 + 8 + 10 )
= 0×( 2 + 4 + 6 + 8 + 10 )
= 0