Question

so sánh Avà B biết

A=a,64+2,15+2,b1+0,2c

B=a,bd+6,2c-0,8d

Answer 1

\(A=a,64+2,15+2,b1+0,2c=\left(a+0,b+0,c\right)+\left(0,64+2,15+2,01+0,2\right)=a,bc+5\)\(B=a,bd+6,2c-0,8d=\left(a,bd+0,0c-0,0d\right)+6,2=a,bc+6,2>a,bc+5\)

A<B

Answer 2

Ban kia lam dung roi do 

k tui nha

thanks