Question

Viết chương trình tính giá trị biểu thức sau :

a. \(\dfrac{[(15+20)^2-100]}{2}\)

b. \(15+20-\dfrac{\left(50+7\right)^2}{5}\)

c. \(15+20+\dfrac{\left(45-20\right)\left(15+20\right)}{3}\)

Answer 1

a) [(15+20) * (15+20) - 100]/2

b) 15 + 20 - [(50+7)*(50+7)]/5

c) 15 + 20 + [(45-20)(15+20)]/3

Answer 2

a) Writeln(` [(15+20)*(15+20) - 100]/ 2' , [(15+20)*(15+20) - 100]/2 ) ;

b) Writeln ('15+20 - (50+7)*(50+7)/5= ' , 15+20 - (50+7)*(50+7)/6 ) ;

c) Writeln ( ' 15 + 20 + (45-20)* (15+20)/3 = ' , 15+20 +(45-20)*(15+20)/3 );