Question

aflati valoarea numarului necunoscut din exxpresiile

752:8+483-909:3-b=100
c:8+69x9-674=734

Answer 1

752:8+483-909:3-b=100
94+483-303-b=100
274-b=100
b=274-100
b=174

c:8+69*9-674=734
c:8+621-674=734
c:8=734+674-621
c:8=787
c=787*8
c=6296