Question

40*0,25:2+12*0,5

Answer 1

=40:4:2+12:2

=10:2+6

=5+6

=11

ủng hộ anh nha^^

Answer 2

40 x 0,25 : 2 + 12 x 0,5 

= 40 : 4 : 2 + 12 : 2

= 10 : 2 + 6

= 5 + 6

= 11