Question

зачеркнутое не надо спасибо большое

Answer 1

4 8/25 = 4 (8*4)/(4*25) =  4 32/100 =4,32
7 11/20 = 7 (5*11)/(5*20) = 7 55/100 = 7,55
12 4/25 = 12 (4*4)/(4*25) = 12 16/100 = 12,16
9 13/50 = 9 (2*13)/(2*50) = 9 26/100 = 9,26