Question

помогите пжпдпжппжпжж​

Answer 1

Ответ:

а) 5 1/12-3 4/21=2 7/84-16/84=1 91/84-16/84=1 75/84

4 5/14+1 75/84=4 30/84+1 75/84=5 105/84=6 21/84=6 1/4

б)5 2/3:1/3-1 7/12•6=17/3:1/3-19/12•6=17•3/3•1-19•6/12=17-19/2=17-9 1/2=16 2/2-9 1/2=7 1/2

4)1,5•115,2=3,2•х; х= 1,5•115,2/3,2=1,5•36=54

х=54

Answer 2

Ответ:

749287473829828948383928