Câu hỏi của kasumi mahiru

Question

a; 3/8 + ( X -5/24 ) : 2/3 =1

b; 125 : X +375 : X - 200 : X = 12

minh trần lê · Accepted Answer

a ) $\frac{3}{8}+\left(x-\frac{5}{24}\right):\frac{2}{3}=1$ | $\left(x-\frac{5}{24}\right):\frac{2}{3}=1-\frac{3}{8}=\frac{5}{8}$

$x-\frac{5}{24}=\frac{5}{8}\times\frac{2}{3}=\frac{10}{24}=\frac{5}{12}$ | $x=\frac{5}{12}+\frac{5}{24}=\frac{15}{24}=\frac{5}{8}$

b ) $125\div x+375\div x-200\div x=12$

$\frac{125}{x}+\frac{375}{x}-\frac{200}{x}=12=\frac{300}{x}$

$x=300\div12=25$

Câu trả lời:

a ) $\frac{3}{8}+\left(x-\frac{5}{24}\right):\frac{2}{3}=1$ | $\left(x-\frac{5}{24}\right):\frac{2}{3}=1-\frac{3}{8}=\frac{5}{8}$

$x-\frac{5}{24}=\frac{5}{8}\times\frac{2}{3}=\frac{10}{24}=\frac{5}{12}$ | $x=\frac{5}{12}+\frac{5}{24}=\frac{15}{24}=\frac{5}{8}$

b ) $125\div x+375\div x-200\div x=12$

$\frac{125}{x}+\frac{375}{x}-\frac{200}{x}=12=\frac{300}{x}$

$x=300\div12=25$

kasumi mahiru · Answer

thanksCâu trả lời: thanks