Clothes is a countable noun? give sb.some Are suggestions / imformation for or about or on sth? Skills is a countable noun After doing right? All the year round or around? Continue doing or with or to do sth To be very accurate, it is important to be accurate!

Clothes is a countable noun? --- a countable plural sb.some Suggestions / formation is for or about or on sth? --- on skills is a countable noun --- after doing is right? --- to (preposition + ing) all the year round or around? --- all t

RELATED INFORMATIONS

1. Are arm and arms, sands, cloth and clothes countable nouns or uncountable nouns?
2. How to use both / all / neither / none / either / each of?
3. Each, either, other, both, neither, every, any, another, all, none
4. Within of either of each of both of
5. No, either, neither, all, each, every, both?
6. A kind of and this kind of are followed by singular or plural nouns. Please add a sentence pattern
7. Given Arg (- 2 + I) = a, Arg (- 1-3i) = B, find a + B
8. Arg (2I) = π why shouldn't it be = Arg (2)? The original problem is to find the expansion rate and rotation angle of W = Z ^ 2
9. Given Arg (- 1 + 2I) = α, find sin (2 α + 2 π / 3)
10. arg（1+i）=?
11. Are clothes countable nouns or uncountable nouns? If it's a countable noun, So what's its prototype / plural (I don't know which one) is?
12. 1、 The greatest common divisor of 840 and 1764 can be obtained by division 2、 Find the greatest common divisor of 440 and 556 by phase change subtraction
13. Given f (x) = 1 / 2 (SiNx + cosx) - 1 / 2 absolute value SiNx + cosx, find the range of F (x)
14. Let 3 ^ a = 4 ^ B = 36. Then what is 2 / A + 1 / b?
15. If the function y = 2sinx + acosx range [- 3,3], then what is a equal to?
16. As shown in the figure, in △ ABC, the linear equation of the height on the BC side is x-2y + 1 = 0, and the linear equation of the bisector of ∠ A is y = 0. If the coordinates of point B are (1,2), the coordinates of point a and point C are obtained
17. On the operation of complex numbers, the numerator is (1-radical 3I) ^ 15 - (1 + radical 3I) ^ 6, and the denominator is (- 1 + I) ^ 12
18. The absolute value of Z + 1 is? (1 + Z is the denominator) if the complex Z satisfies 1 + Z / 1 = I the sooner the better
19. Complex 3-I / (1 + I ^ 2) - 1
20. (100-100x) ^ 2 + (80-80x) ^ 2 = (10 √ 41) ^ 2 simple calculation （100-100x)^2+(80-80x)^2=(10√41)^2 It is easy to calculate X and explain the reason