Răspuns:
Explicație pas cu pas:
5/10=1/2
[0,5+0,02+2•(6+5/10:1/3)]÷1/7=
[0,5+0,02+2•(6+1/2:1/3)]÷1/7
1/2:1/3=1/2*3=3/2
[0,5+0,02+2•(6+3/2)]÷1/7=
6+3/2=(6*2+3)/2=15/2
[0,5+0,02+2•(15/2)]÷1/7
[0,5+0,02+15)÷1/7=
[0,5+0,02+15)÷1/7=15,52:1/7=1552/100*7=10864/7=1552