Question

[Nguyễn Diệu Thúy]

các bn làm giúp mk vs thông cảm nha:(đều là hs nên hiểu nhau cả mà,ai làm đc câu nào thì cố giúp mk nha)

a)\(-66\left(\frac{1}{2}-\frac{1}{3}-\frac{1}{11}\right)+124\left(-37\right)+63.\left(-124\right)\)

b)\(\left(2-\frac{3}{2}\right).\left(2-\frac{4}{3}\right).\left(2-\frac{5}{4}\right).\left(2-\frac{6}{5}\right)\)

c)\(\frac{0,75-0,6+\frac{3}{7}+\frac{3}{13}}{2,75-2,2+\frac{11}{7}+\frac{11}{13}}\)

d)\(\left[\left(\frac{2}{193}-\frac{3}{386}\right).\frac{193}{7}+\frac{33}{34}\right]:\left[\left(\frac{7}{2001}+\frac{11}{4002}\right).\frac{2001}{25}+\frac{9}{2}\right]\)

e)\(\frac{\left(13\frac{1}{4}-2\frac{5}{27}-10\frac{5}{6}\right).230\frac{1}{25}+46\frac{3}{4}}{\left(1\frac{2}{7}+\frac{10}{3}\right).\left(12\frac{1}{3}-14\frac{2}{7}\right)}\)