Các câu hỏi tương tự
2 tính : a) 1+1/4+1/8+1/16 =
=
b) 2-1/8-1/12-1/16 =
=
c) 4/99 x 18/5 : 12/11 + 3/5 =
=
d) ( 1-3/4 ) x ( 1+ 1/3 ) : ( 1- 1/3 ) =
=
1+ 1/4+1/8+1/16
2-1/8-1/12-1/16
4/99*18/5:12/11+3/5
(1-3/4)*(1+1/3):(1-1/3)
tính
a, 2- 1/8 - 1/12 - 1-16
b, 4/99 x 18/5 : 12/11 + 3/5
c, ( 1- 3/4 ) x ( 1+ 1/3) : ( 1- 1/3 )
TÍNH:
a) 1+1/4+1/8+1/16
b) 2-1/8-1/12-1/16
c) 4/99 x 18/5 : 12/11 +3/5
d) (1-3/4)x(1+1/3):(1-1/3)
1) 1 3/4-1 3/8:(3/8+9/20
2) 4 7/8-3 11/12:( 5/6+1 1/8)
3) 8 2/3:(6 2/3-4 1/2)-2 37/51
Tính:a) 1+1/4+1/8+1/16
b)2-1/8-1/12-1/16
c)4/99*18/5:12/11+3/5
d)(1-3/4)*(1+1/3):(1-1/3)
Bồ nào giúp tôy với,trả lời đc tôy tick nhak
B=1/1*2*3*4 + 1/2*3*4*5 + 1/3*4*5*6 + 1/8*9*10*11 + 1/9*10*11*12 = ?
a) 2/3 + 1/2 + 1/6 b) 5/12 + 5/6 - 3/4 c) 1/3 x 3/5 x 2/5 d) 15/16 : 3/8 x 3/4
Bài tính đó :3
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10
2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19