Question

Dau coroana celui care ma just la exercitiul 4

Answer 1

a)
x=5003-214
x=823-597
x=5718+198
b)
x=85/5=17
x=165*8=1320
x=90/9
c)12/x=2 => x=12/2
x*10=40 => x=40/10
2*x=245+x => 2*x-x=245 =>x=245

Observatie:

fie a si  -doua numere
x-necunoscuta

a+x=b  => x=b-a
a-x=b  => a=b+x =>x=a-b
a*x=b => x=b/a
a:x=b => a=b*x => x=a/b
x:a=b => x=a*b

Answer 2

a,4789,226,5916//////b17,,1320,10/////c,6,4,245+5=245+5