Question

[bảo]

(1+2/3-1/4).(0.8-3/4)^2

ai tra loi truoc thi minh se like

Answer 1

[๖ۣۜFunny-Ngốkツ]

\(\left(1+\frac{2}{3}-\frac{1}{4}\right)\left(0.8-\frac{3}{4}\right)^2\)

\(=\left(\frac{12}{12}+\frac{8}{12}-\frac{3}{12}\right)\left(\frac{16}{20}-\frac{15}{20}\right)^2\)

\(=\left(\frac{12+8-3}{12}\right)\left(\frac{1}{20}\right)^2\)

\(=\frac{17}{12}\cdot\frac{1}{400}\)

\(=\frac{17}{4800}\)