Question

Bài 5. Tính

a). 1/3+1/4-1/5

b).5/2+1/3-1/4

c).10/3-(1/4+1/12)

d).1/3+6/5-1/15

e).3/2+1/4-1/8

f).3/4x2/9+1/3

g).5/4:2/9+1/2

h).7/2-1/4x1/5

i).5/4+1/5:2/3

2 BẠN ĐẦU TIÊN XONG THÌ SẼ TICK NHÉ

THAK MNG NHÌU

Answer 1

a) \(\frac{1}{3}+\frac{1}{4}-\frac{1}{5}\)

\(=\frac{23}{60}\)

b) \(\frac{5}{2}+\frac{1}{3}-\frac{1}{4}\)

\(=\frac{31}{12}\)

c) \(\frac{10}{3}-\left(\frac{1}{4}+\frac{1}{12}\right)\)

\(=\frac{9}{3}=3\)

d) \(\frac{1}{3}+\frac{6}{5}-\frac{1}{15}\)

\(=\frac{22}{15}\)

Answer 2

trả lòi:

A)= 23/60

B)= 31/12

C)= 3* vì 3/9 cùng chia hết cho 3*

D)= 22/15

Hc tốt!

Answer 3

Ohhh Thank các bn Nka

Answer 4

A) \(\frac{1}{3}+\frac{1}{4}-\frac{1}{5}=\frac{7}{12}-\frac{1}{5}=\frac{23}{60}\)

B) \(\frac{5}{2}+\frac{1}{3}-\frac{1}{4}=\frac{17}{6}-\frac{1}{4}=\frac{31}{12}\)

C) \(\frac{10}{3}-\left(\frac{1}{4}+\frac{1}{12}\right)=\frac{10}{3}-\frac{1}{3}=\frac{9}{3}=3\)

D) \(\frac{1}{3}+\frac{6}{5}-\frac{1}{15}=\frac{23}{15}-\frac{1}{15}=\frac{22}{15}\)

E) \(\frac{3}{2}+\frac{1}{4}-\frac{1}{8}=\frac{12}{8}+\frac{2}{8}-\frac{1}{8}=\frac{14}{8}-\frac{1}{8}=\frac{13}{8}\)

F) \(\frac{3}{4}\times\frac{2}{9}+\frac{1}{2}=\frac{1}{6}+\frac{1}{2}=\frac{2}{3}\)

G) \(\frac{5}{4}\div\frac{2}{9}+\frac{1}{2}=\frac{45}{8}+\frac{1}{2}=\frac{49}{8}\)

H) \(\frac{7}{2}-\frac{1}{4}\times\frac{1}{5}=\frac{7}{2}-\frac{1}{20}=\frac{69}{20}\)

I) \(\frac{5}{4}+\frac{1}{5}\div\frac{2}{3}=\frac{5}{4}+\frac{3}{10}=\frac{31}{20}\)

@Duongg

Answer 5

a = 23/60

b = 31/12

c = 3

d = 23/15