How to write logic expression with C language for point (x, y) in quadrant 2 and 3

How to write logic expression with C language for point (x, y) in quadrant 2 and 3

if(x

If x and y are defined as double types, the value of the expression "x = 1, y = x + 3 / 2" is
A）2.0 B）2 C）1 D）2.5

Because both 3 and 2 are int type, we think that the result of 3 / 2 is also int. we discard the mantissa and leave only 1 of the integer. Then we add X of double type and copy it to y of double type, so it is 2.0

If x is of int type, please write the C language relational expression equivalent to logical expression! X in the simplest form
I know the answer is x = = 0, I want the reason

0 means false
Non zero means true

If x is of int type, please write the C language relational expression () equivalent to the logical expression "! X" in the simplest form

If x = true, then! X is false. Conversely, if x = false, then! X is true
In C language, the expression 0 is false, not all of 0 are true, so the corresponding relation expression is
X = = 0; that is, it is true only when x = = 0 (the corresponding equation holds), and the rest are false (the corresponding equation does not hold)
Downstairs, there are only six kinds of relational expressions: >, <, > =, < =,! =, ==
You're using a trinary operator (a conditional operator, not a conditional expression)

22 36 40 56 68 (

22 + 36 / 2 = 40 36 + 40 / 2 = 56 40 + 56 / 2 = 68 56 + 68 / 2 = 90 the answer is 90

7 / 11 times 2 / 9 + 2 / 11 times 4 / 9 (simplified formula)

7/11×2/9+2/11×4/9
=7/11×2/9+4/11×2/9
=(7/11+4/11)×2/9
=1×2/9
=2 / 9

The square of 1 / 4 × 6.16-4 × 1.04 is calculated by a simple method

1 / 4 × 6.16 square - 4 × 1.04 square
=(2 / 1 × 6.16) & # 178; - (2 × 1.04) & # 178;
=3.08²-2.08²
=(3.08+2.08)×(3.08-2.08)
=5.16

Solving the equation MX & # 178; - √ 2 MX + 1 / 2 (m-1 / 2m) = 0 by the collocation method

mx² - √2 mx + 1/2 [ m - 1/(2m) ] = 0x² - √2 x +1/2 [ 1 - 1/(2m²) ] = 0x² - √2 x + 1/2 = 1/(4m²)(x - √2 /2)² = 1/(4m²)x - √2 /2 = ± 1/ (2|m|)x = 1/2 (√2 ± 1/|...

(1) What is the sum of the product of 1.2 times 2.1 plus the quotient of 8.4 divided by 2.1? (2) what is the quotient of the difference of 4.6 minus 2.2 divided by 0.6?

The first question 1.2 × 2.1 + 8.4 △ 2.1 = 6.52
Question 2 (4.6-2.2) △ 0.6 = 4

A cuboid wooden box is 2 meters long, 52 cm wide and 82 cm high. The board thickness of the box is 1 cm. Do you know the volume of the box?
My summer homework
Please tell me the calculation process~~

Cuboid wooden box (with cover): inner box length = 2m - 2cm = 200cm - 2cm = 188CM, inner box width = 52cm - 2cm = 50cm, inner box height = 82cm - 2cm = 80cm, volume of wooden box = 188 * 50 * 80 = 752000cm3 = 0.752m3, cuboid wooden box (without cover): inner box length = 2m - 2cm