Bài 1: Tính
a) 1/3 + 1/5 - 1/4 b) 7/8 - ( 1/4 + 2/5 ) c) 5/11 - ( 3/5 - 6/11 )
Bài 2: Tìm x
a) x + 2/5 = 1/2 b) x + 3/7 = 2/5 + 3/10 c) 19/20 - x = 8/5 - 3/4
Bài 3: Tìm số tự nhiên x, biết:
a ) 4/7 < x < 1/2 + 10/3 b) 3/10 + 8/5 < x < 2/5 + 5
Giúp mình nha ^^ Ai nhanh mình Tick !!!!!!!!!❤❤
bài 1 : tìm x
a, 1/5=5=1/2 b, 11/5+x=9
c,5-x=7/17 d, x-1/3=16/5:3/2
e,8/9:x=11/2 g, x:31/5=2+7/2
h,7/8x íc=29/2-2
giải hết ra cho mink nha
Tìm x
A. 4/5-x=5/7
B. x-3/7=2/3-2/7
C. 7/9-x=1/4+2/9
Tìm x :
a) x + 3/5 = 7/2
b)x- 1/4 = 1/5
c) 2 - x = 4/7
Tìm x :
a) \(\dfrac{2}{9}\) + x = 1 b)\(\dfrac{6}{7}\) - x = \(\dfrac{2}{3}\) c)x - \(\dfrac{1}{2}\)= \(\dfrac{1}{4}\)
1.tìm x a)x : 2/5 = 3/7 b) 6/5 - x = 7/8
Tìm x:
a) \(\dfrac{7}{12}+x=\dfrac{3}{2}\)
b) \(\dfrac{1}{7}\div x=\dfrac{1}{3}\)
Tìm x:
a) \(\dfrac{7}{12}+x=\dfrac{3}{2}\)
b) \(\dfrac{1}{7}\div x=\dfrac{1}{3}\)