MP=?,discount=15% ,discount amount =?,VAT=13%
f(x)=x2^{2}2+4x+3
m=1/3xy
3/5*(27/21+8/1)
120+8-15+35
Insert 3 rational numbers between 2 and 7
(5√8)×5÷2(16)-3÷2
(58)