Răspuns :
a=25x198+25x189-357x25=750
b=2003x150-2001x150-150=150
a:b=750:150=5
b=2003x150-2001x150-150=150
a:b=750:150=5
a=25×198+25×189-357×25
a=4.950+4.725-8.925
a=9.675-8.925
a=750
b=2.003×150-2.001×150-150
b=300.450-300.150-150
b=300-150
b=150
a:b=750:150
a:b=5
a=4.950+4.725-8.925
a=9.675-8.925
a=750
b=2.003×150-2.001×150-150
b=300.450-300.150-150
b=300-150
b=150
a:b=750:150
a:b=5