11 12 − 2 5 + x = 2 3 2 5 + x = 11 12 − 2 3 2 5 + x = 11 12 − 8 12 2 5 + x = 1 4
x = 1 4 − 2 5 x = − 3 20
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tìm x:
11/12 - ( 2/5 + x) = 2/3
tìm x :
11/12 - ( 2/5 + x ) = 2/3
Bài 2. Tìm x biết
\(\dfrac{11}{12}-\left(\dfrac{2}{5}+x\right)=\dfrac{2}{3}\)
\(\dfrac{3}{4}+\dfrac{1}{4}:x=\dfrac{2}{5}\)
bài 2 . thực hiện phép tính
a. -1,75-(-1/9-2 1/18)
b. -1/12- (2 5/8-1/3)
c. -5/6-(-3/8+1/10)
Bài 3 :tìm x ,biết :
a. 11/13-(5/42-x)(-15/28-11/13)
b. x+1/32/5-(-1/3)
c. 3/7-x1/4-(-3/5)
Đọc tiếp
bài 2 . thực hiện phép tính
a. -1,75-(-1/9-2 1/18)
b. -1/12- (2 5/8-1/3)
c. -5/6-(-3/8+1/10)
Bài 3 :tìm x ,biết :
a. 11/13-(5/42-x)=(-15/28-11/13)
b. x+1/3=2/5-(-1/3)
c. 3/7-x=1/4-(-3/5)
Tìm x € Q , biết rằng
a) 11/12 - (2/5 + x) = 2/3
b) 3/4+ 1/4 : x = 2/3
Tìm x :
a, dfrac{11}{12} - (dfrac{2}{5} +x) dfrac{2}{3} b, x+dfrac{2}{3} dfrac{3}{5} - dfrac{-1}{6} c, x-[dfrac{17}{2} -(dfrac{-3}{7} + dfrac{5}{3} )]dfrac{-1}{3}
d,dfrac{9}{2} - [dfrac{2}{3} - (x+dfrac{7}{4} )] dfrac{-5}{4}
Mọi người giúp mình nha
Đọc tiếp
Tìm x :
a, \(\dfrac{11}{12}\) - (\(\dfrac{2}{5}\) +x) = \(\dfrac{2}{3}\) b, x+\(\dfrac{2}{3}\) =\(\dfrac{3}{5}\) - \(\dfrac{-1}{6}\) c, x-[\(\dfrac{17}{2}\) -(\(\dfrac{-3}{7}\) + \(\dfrac{5}{3}\) )]=\(\dfrac{-1}{3}\)
d,\(\dfrac{9}{2}\) - [\(\dfrac{2}{3}\) - (x+\(\dfrac{7}{4}\) )] =\(\dfrac{-5}{4}\)
Mọi người giúp mình nha
tìm x \(\in\) Q biết rằng
\(\dfrac{11}{12}\) - ( \(\dfrac{2}{5}\) + x ) = \(\dfrac{2}{3}\)
2x \(\times\) ( x - \(\dfrac{1}{7}\) ) = 0
\(\dfrac{3}{4}\) + \(\dfrac{1}{4}\) : x = \(\dfrac{2}{5}\)
Tìm x:
a) dfrac{11}{12} - (dfrac{2}{5} + dfrac{3}{4}x) dfrac{2}{3}
b) dfrac{-2}{5} + dfrac{5}{3} . (dfrac{3}{2} - dfrac{4}{15}x) dfrac{-7}{6}
c) dfrac{1}{2} + dfrac{3}{4}x dfrac{1}{4}
Đọc tiếp
Tìm x:
a) \(\dfrac{11}{12}\) - (\(\dfrac{2}{5}\) + \(\dfrac{3}{4}\)x) \(\dfrac{2}{3}\)
b) \(\dfrac{-2}{5}\) + \(\dfrac{5}{3}\) . (\(\dfrac{3}{2}\) - \(\dfrac{4}{15}\)x) = \(\dfrac{-7}{6}\)
c) \(\dfrac{1}{2}\) + \(\dfrac{3}{4}\)x = \(\dfrac{1}{4}\)
Tìm x thuộc Q, biết:
11/12 - ( 2/5 + x)=2/52x (x-1/7) = 03/4 + 1/4 : x=2/5Tìm x thuộc Q, biết:
11/12 - ( 2/5 + x)=2/52x (x-1/7) = 03/4 + 1/4 : x=2/5