Question

Tính nhanh 12 ÷ 0,25 + 12 × 9 - 12 ÷ 0,5 - 12 =

Answer 1

120

Answer 2

=12 :1/4 + 12x9 -12 : 1/2

=12 x4 + 12x9 -12x2= 12 x( 4+9-2)

= 12 x 11= 132

 

 

 

Answer 3

120