Question

(4•1 1/2+1 23/25:3/20)-5 3/4​

Answer 1

Ответ:

4*1 1/2=4*3/2=12/2=6

1 23/25 (*4)÷3/20(*5)= 92/100÷15/100=192/100÷15/100=12,8

6+12,8=18,8

18 4/5-5 3/4=18 16/20-5 15/20=13 1/20