｛5x-2>3x-4,-0.5x

｛5x-2>3x-4,-0.5x

5x-2>3x-4
2x>-2
x>-1
-0.5x≤2-x
0.5x≤2
x≤4
To sum up - 1

3x ^ 3-x = 1, find 6x ^ 3 + 7x ^ 2-5x + 29~

3x^3-x=1
=6x^3+7x^2-5x+29
=(6x^3-2x)+7x^2-3x+29
=2(3x^3-x)+7x^2-3x+29
=7x^2-3x+29+2
=7x^2-3x+31

The answer and formula of 2-3 + 4-5 + 6-7 + 8-9 + 10. - 2001 + 2002

2-3+4-5+6-7+8-9+10.-2001+2002
=2+（-3+4）+（-5+6）+（-7+8）+（-9+10）····+（-2001+2002）
=2+1+1+1+1····+1
=2+[(1+4)+(2000-10）/10*5]*1
=2+(1+4+995)*1
=2+1000
=1002

1+2+（-3）+（-4）+5+6+（-7）+（-8）+… +2001+2002+（-2003）+（-2004）+2005+2006+（-2007）+（-2008）=

-2008

The △ in the following formula represents the same number, and find out what △ is. 1 × △ 2 × △ 3 × △ 4 × △ 5 × △ 6 × △ 7 × △ 8 × △ 9 × △ 10 ×
△=1980

36

1 / 6 plus 8 / 9 =? Please give me a formula

1/6+8/9
=3/18+16/18
=19/18

1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9 =

That is called factorial. It is an operation method used in permutation and combination. It usually uses! To express factorial, such as n! = 1 × 2 × 3 ×... × n

Fill in the brackets with the 8 numbers 1.2.3.4.5.6.7.. 0, each number can only be used once, so that the formula holds at the same time () + () = () () = () ()

There's a multiply sign at the back

Fill in five plus signs between 1, 2, 3, 4, 5, 6, 7, 8, 9 to form a continuous addition formula and make the result as small as possible

12+34+56+7+8+9

Fill in the following seven numbers 0, 1, 2, 3, 7, 8 and 9 to make them hold () + () = () ()_ ()=()

Wrong question, can't do it