Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
2 - ( 2/8 + x - 173/24 ) : 50/3 = 0
( 2/8 + x - 173/24 ) : 50/3 = 2 - 0
( 2/8 + x - 173/24 ) : 50/3 = 2
2/8 + x - 173/24 = 2 x 50/3
2/8 + x - 173/24 = 100/3
2/8 + x = 100/3 + 173/24
2/8 + x = 973/24
x = 973/24 - 2/8
x = 967/24
\(1-\left(\frac{73}{8}+X-\frac{173}{24}\right):\frac{50}{3}=0\)
\(\Leftrightarrow\left(\frac{73}{8}+X-\frac{173}{24}\right):\frac{50}{3}=1-0\)
\(\Leftrightarrow\left(\frac{73}{8}+X-\frac{173}{24}\right):\frac{50}{3}=1\)
\(\Leftrightarrow\left(\frac{73}{8}+X-\frac{173}{24}\right)=1.\frac{50}{3}\)
\(\Leftrightarrow\left(\frac{73}{8}+X-\frac{173}{24}\right)=\frac{50}{3}\)
\(\Leftrightarrow\frac{73}{8}+X=\frac{50}{3}+\frac{173}{24}\)
\(\Leftrightarrow\frac{73}{8}+X=\frac{191}{8}\)
\(\Leftrightarrow X=\frac{191}{8}-\frac{73}{8}\)
\(\Leftrightarrow X=\frac{59}{4}\)
Dấu \(.\)là dấu X đấy ngen pn!!!!!Nhớ K cko mik nka
a) ( 72 - 8 x 9 ) : ( 20 + 21 + 22 + 23 + 24 + 25 )
= ( 72 - 72 ) : ( 20 + 21 + 22 + 23 + 24 + 25 )
= 0 : ( 20 + 21 + 22 + 23 + 24 + 25 )
= 0
b) ( 500 x 9 - 250 x 18 ) x ( 1 + 2 + 3 + ... + 9 )
= ( 500 x 9 - 250 x 2 x 9 ) x ( 1 + 2 + 3 + ... + 9 )
= ( 500 x 9 - 500 x 9 ) x ( 1 + 2 + 3 + ... + 9 )
= 0 x ( 1 + 2 + 3 + ... + 9 )
= 0
128 - 3.(x+4) = 25-2
128 - 3.x - 12 = 23
128 - 12 -3.x = 23
116 - 3.x = 23
3.x = 93
x = 31
các bài còn lại bn dựa vào phần a mak lm nha!
a ) 2 x 3 x 4 x 8 x 50 x 25 x 125
= 3 x 2 x 50 x 4 x 25 x 8 x 125
= 3 x ( 2 x 50 ) x ( 4 x 25 ) x ( 8 x 125 )
= 3 x 100 x 100 x 1000
= 30000000
b ) 45 x 128 - 90 x 64
= 45 x ( 2 x 64 ) - 90 x 64
= ( 45 x 2 ) x 64 - 90 x 64
= 90 x 64 - 90 x 64
= 0
a) = (2.50).(4.25).(8.125).3=100.100.1000.3=30000000
b)45.128-90.64=45.128-45.2.64
=45.128-45.128
=0
\(2-\left(\frac{2}{8}+x-\frac{173}{24}\right)\text{ : }\frac{50}{3}=0\)
\(2-\left(\frac{2}{8}+x-\frac{173}{24}\right)=0\text{ x }\frac{50}{3}\)
\(2-\left(\frac{2}{8}+x-\frac{173}{24}\right)=0\)
\(\frac{2}{8}+x-\frac{173}{24}=2-0\)
\(\frac{2}{8}+x-\frac{173}{24}=2\)
\(\frac{2}{8}+x=2+\frac{173}{24}=\frac{48}{24}+\frac{173}{24}\)
\(\frac{2}{8}+x=\frac{221}{24}\)
\(x=\frac{221}{24}-\frac{2}{8}=\frac{221}{24}-\frac{6}{24}\)
\(x=\frac{215}{24}\)