Question

0,25x 12 :0,15- (2,04 +10,2:2,5): 0,51

Answer 1

0,25x12:0,15- (2,04+10,2:2,5):0,51

= 0,25x12:0,15- 6,12:0,51

= 3:0,15-12     

= 20-12

= 8