\(=200-100:5+1\)

\(=200-20+1\)

=\(180+1\)

\(=181\)

181

c: \(=\left(\dfrac{3}{5}+\dfrac{83}{200}-\dfrac{3}{200}\right)\cdot\dfrac{8}{3}\cdot\dfrac{1}{4}=\dfrac{8}{3}\cdot\dfrac{1}{4}=\dfrac{2}{3}\)

g: \(=\dfrac{1}{2}\cdot\dfrac{4}{3}\cdot\dfrac{3}{4}\cdot\dfrac{5}{2}+\dfrac{3}{5}=\dfrac{5}{4}+\dfrac{3}{5}=\dfrac{25+12}{20}=\dfrac{37}{20}\)

c) = 2/3

g) = 37/20 = 1,85

n) = 3/17

o: \(=\dfrac{3}{4}\cdot\left[\dfrac{1}{5}-\dfrac{4}{7}-\dfrac{3}{5}\cdot\dfrac{-5}{7}\right]=\dfrac{3}{4}\cdot\left(\dfrac{1}{5}-\dfrac{4}{7}+\dfrac{3}{7}\right)\)

\(=\dfrac{3}{4}\cdot\left(\dfrac{1}{5}-\dfrac{1}{7}\right)=\dfrac{3}{4}\cdot\dfrac{2}{35}=\dfrac{3}{70}\)

p: \(=\left[\left(\dfrac{1}{9}\cdot\dfrac{27}{8}\right)\cdot3\right]\cdot\dfrac{-128}{81}=\dfrac{9}{8}\cdot\dfrac{-128}{81}=\dfrac{-16}{9}\)

a: \(=\dfrac{3\cdot5-4\cdot7}{35}+\dfrac{4}{5}=\dfrac{15-28+28}{35}=\dfrac{15}{35}=\dfrac{3}{7}\)

e: \(=\dfrac{28}{15}\cdot\dfrac{3}{4}-\left(\dfrac{11}{20}+\dfrac{1}{4}\right)\cdot\dfrac{5}{7}=\dfrac{7}{5}-\dfrac{4}{5}\cdot\dfrac{5}{7}=\dfrac{7}{5}-\dfrac{4}{7}=\dfrac{49-20}{35}=\dfrac{29}{35}\)

i: =9/7+5/6-9/7=5/6

d: =1/2+3/4-3/4+4/5

=1/2+4/5=5/10+8/10=13/10

h: \(=\dfrac{37}{7}\left(\dfrac{8}{11}+\dfrac{5}{11}-\dfrac{2}{11}\right)=\dfrac{37}{7}\)

m: \(=\left(-\dfrac{4}{13}-\dfrac{9}{13}\right)+\left(\dfrac{3}{4}+\dfrac{1}{4}\right)+\dfrac{5}{17}=\dfrac{5}{17}\)

tự tìm cách làm chi tiết nha:)

d, =13/10

h, =37/7

m, =5/17