Question

daca a x b=100, c x a=75 calculeaza a(b+c):5 si a(b-c):5

Answer 1

axb=100
cxa=75
a(b+c):5=(axb+axc):5=(100+75):5=35
a(b-c):5=(axb-axc):5=(100-75):5=5

Answer 2

a x b=100, c x a=75

a(b+c):5= (100+75):5=175:5=35
a(b-c):5 = ( 100-75):5=25:5=5