Răspuns:
9. a÷3=3×b ATUNCI a=b
b=a=875
2×8345=a÷4
16690=a÷4
a=16690×4
a=86760
a÷3=3×b
b=875
a÷3=875×3
a÷3=2635
a=2625÷3
a=875
