Question

ajutorrrrrrrrrr,dau coroana ​

Answer 1

Răspuns:

29/30-(25-2)/90+27/5-(31-3)/90=

³⁾29/30-23/90+¹⁸⁾27/5-28/90=

87/90-23/90+486/90-28/90=

522/90=5,8

Answer 2

Răspuns:

Explicație pas cu pas:

29/30-0,2(5)+27/5-0,3(1)=29/30-(25-2)/90+27/5-(31-3)/90=

29/30-23/90+27/5-28/90=(29·3-23+27·18-28)/90=(87-23+486-28)/90=

522/90=261/45=87/15=29/5 =5,8