(131,4 - 80,8) : 2,3 + 21,84 x 2
= 50,6 : 2,3 + 21,84 x 2
= 22 + 43,68
= 65,68
Đúng 0
Bình luận (0)
\(\left(131,4-80,8\right)\div2,3+21,84\times2\)
\(=50,6\div2,3+21,84\times2\)
\(=22+43,68\)
\(=65,68\)