Question

[Reika Aoki]

a)

\(\frac{3}{7}+\left(-\frac{5}{2}\right)+\left(-\frac{3}{5}\right)\)

b)

\(\frac{4}{5}-\left(-\frac{2}{7}\right)-\frac{7}{10}\)

c)

\(3,5-\left(-\frac{2}{7}\right)\)

d)

\(\sqrt{\left(-7\right)^2}+\sqrt{\frac{25}{16}}-\frac{3}{2}\)

e)

\(\sqrt{0,36}.\sqrt{\frac{25}{16}}+\frac{1}{4}\)

f)

\(\frac{1}{2}.\sqrt{100}-\sqrt{\frac{1}{16}}+\left(\frac{1}{3}\right)^0\)

g)

\(\sqrt{\frac{4}{81}}:\sqrt{\frac{25}{81}}-1\frac{2}{5}\)

i)

\(\frac{21^9.2^{10}}{14^9.3^8}\)

k)

\(\frac{10^{11}.21^{12}}{15^{10}.14^{11}}\)

l)

\(0,5.\sqrt{100}-\sqrt{\frac{1}{4}}\)

Answer 1

[hanh phin no]

a là âm 2.671428571

Answer 2

[Đỗ Quynhg Anh]

a, \(-\frac{187}{70}\)

b,\(\frac{27}{70}\)

c,\(\frac{53}{14}\)

d,\(\frac{27}{4}\)

e,1

f,\(\frac{23}{4}\)

g,-1

i,6

k,315

l,\(\frac{9}{2}\)