Violympic toán 6
Các câu hỏi tương tự
Tìm x
a)2.x-3-x=6
b)5-x+6=7-2.x
c)3.(x-1)-7=6
d)-(3+x)-(7-x)=5+3.x
e)-(x-6)+2.(1-x)=9
f)-2.(x+1)-3.(x-1)=6
bài 1: tìm x biết x in N
a, dfrac{4^5+4^5+4^5+4^5}{3^5+3^5+3^5+3^5} times dfrac{6^5+6^5+6^5+6^5+6^5+6^5}{2^5+2^5+2^5+2^5+2^5+2^5} 2x
b, (x - 1)x+2 (x - 1)x+4
c, 6. (6 - x)2003 (6 - x)2003
d, 411 . 2511 le 2x . 5x 2012 . 512
Đọc tiếp
bài 1: tìm x biết x \(\in\) N
a, \(\dfrac{4^5+4^5+4^5+4^5}{3^5+3^5+3^5+3^5}\) \(\times\) \(\dfrac{6^5+6^5+6^5+6^5+6^5+6^5}{2^5+2^5+2^5+2^5+2^5+2^5}\) = 2x
b, (x - 1)x+2 = (x - 1)x+4
c, 6. (6 - x)2003 = (6 - x)2003
d, 411 . 2511 \(\le\) 2x . 5x < 2012 . 512
tìm x,biết:
a)15.3-x=2.(x-4)
b)10-|3-x|=6.(-7)
c)(x-2).(2.y+1)=-6
1/ x + 1/2 = -5/3 6/ x - 1/5 = 9/10
2/ 1/3 - x = 3/5 7/ x + 5/12 = 3/8
3/ 3-4 + x = 7/2 8/ x + 5/4 = 7/6
4/ x - 4/3 = -7/9 9/ x - 2/7 = 1/35
5/ x - -7/3 = 5/6 10/ x - 1/5 = -7/10
Tìm x
a) 3.x-4=x+10
b)4.x-6=14-x
c)3.(x+2)-6=2.(3.x)+4
8 tháng 10 2020 lúc 19:28
6^x+6^x=2+4+6+...+16 ( cách trình bày)
(1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 0)*( 9 - 8 + 7 - 6 + 5 - 4 - 3 + 2 - 1)*( 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 ×9)*(1-1+2-2+3+4-7)=?
Tính nhanh
Các bạn viết luôn kết quả cho mình nha😂😂😂😂😂😂😂😂
1/ x + 1/2 = -5/3
2/ 1/3 - x = 3/5
3/ 3-4 + x = 7/2
4/ x - 4/3 = -7/9
5/ x - -7/3 = 5/6
6/ x - 1/5 = 9/10
7/ x + 5/12 = 3/8
8/ x + 5/4 = 7/6
9/ x - 2/7 = 1/35
10/ x - 1/5 = -7/10
Tìm x :
A. x - 4 5/6 = 2 1/6 + 5/6 B. 14/5 - x = 1 1/5 - 3/5
Tìm x
1; 3. ( x - 4) - ( 8 - x) = 12
2; 5. ( x - 6 ) - 2 ( x + 3) = 12
3; 5 - | x + 7| = 4
4; 6. | x - 7 | = 18 : (-3)