Question

[Cô Pé Tóc Mây]

Tính

a) \(0,76-\left|1,2-3,4\right|+\left(0,3\right)^2\)

b)\(\left(-7\right)^2+\left(\frac{1}{2}\right)^2+\left|5-17\right|\)

Answer 1

[Minh Hiền]

\(a.0,76-\left|1,2-3,4\right|+\left(0,3\right)^2=0,76-2,2+0,09=-1,35\)

\(b.\left(-7\right)^2+\left(\frac{1}{2}\right)^2+\left|5-17\right|=49+\frac{1}{4}+12=61,25\)