Question

[Pham Trong Bach]

Thực hiện phép tính

a)  $\left(\frac{9}{10}-\frac{15}{16}\right).\left(\frac{5}{12}-\frac{11}{15}-\frac{7}{20}\right)$

b)  $\sqrt{64}+2\sqrt{{\left(-3\right)}^2}-7\sqrt{1,69}+3.\sqrt{\frac{25}{16}}$

c)  $\left[-\sqrt{2,25}+4\sqrt{{\left(-2,15\right)}^2}-{\left(3\sqrt{\frac{7}{6}}\right)}^2\right].\sqrt{1\frac{9}{16}}$

d)  $\frac{{\left(-1\right)}^3}{15}+{\left(-\frac{2}{3}\right)}^2:2\frac{2}{3}-\left|-\frac{5}{6}\right|$

e)  $15.{\left(-\frac{1}{5}\right)}^2+\frac{1}{5}-2.{\left(\frac{-1}{2}\right)}^3-\frac{1}{2}$

f)  $\frac{-1}{7}.\left(9\frac{1}{2}-8,75\right):\frac{2}{7}+0,625:1\frac{2}{3}$

g)  $2^{-1}+{\left(5^2\right)}^3{.5}^{-6}+4^{-3}.32-2.{\left(-3\right)}^2.\frac{1}{9}$

h)  $2^2-{\left(-\frac{5}{7}\right)}^0+{\left(\frac{1}{3}\right)}^4{.3}^6$

Answer 1

[Cao Minh Tâm]