2 math fill in the blank questions! Ace advances

p: m -1 and q: -2 m false detection 2Therefore, (p q) true = -2 m -1 then (p q) false = r - (-2, -1] = (2] (1, + the answer is wrong.

p true m+1 0 m -1 p false m>-1q true: m -4<0 -2-1 is true at the same time as m 2, then it can only be m 2 i.e.: (-2] (2,+

In fact, if this question is the answer to this number of spines, then there is a problem with the question, and it should be"pq is false", because p and q are false, there are three situations: 1) pq is false, 2) p is true, q is false, 3) p is false, and q is true.

According to this line of thought (-1,2] (2] (2,+ 2) (1,+

The central angle of the degree is circumferential (30 360 = 1 12).

2. The circumference of the circle is ( ) times the diameter.

3. If the arc length of the semicircle is known to be 628 cm, the circumference of the semicircle is 1028 cm.

Diameter 628x2 cm.

400+628 1028 cm.

4. If the circumference of the circle is centimeters, the radius is ( ) centimeters.

1. The integer between -8 and 1 2 and -4 and 1 2 has (-5.).-6.-7.-8 ）

2. In rational numbers, the largest negative integer is (-1), the smallest positive integer is (1), and the smallest natural number is (0).

According to the question, we can know that the least common multiple of a and b is 3*5*a*7=315

So a=3

(1) The ratio of a ratio is (28:1) when simplified.

4) The number of A is 20% more than the number of B, and the ratio of the number A to the number B is (6:5). The number B is less than the number A (1 6).

1) 14 5 or 14:5

2) The ratio of number A to number B is (6:5). The number B is less than the number A (1 6).

9 percent of a kilogram is 30 percent (27 percent of 80 kilograms). Tons are 3 percent of tons (. kilograms are more than 20 percent (15).

meters are 20 percent less than 20 meters (20). 5.20 percent more than 16 kilometers is (kilometers).

6.20 percent less than 25 centimeters (20 centimeters). 1 to 3 percent less than (25) A is 1 to 3 percent less than B, and A is 1 percent more than B (, B is 1 percent more than A (200).

10.A 10 percent increase in the length of the sides of a square increases its circumference by 10 percent and its area by 21 percent. 11.

The minus is 30 percent of the minus, and the difference is the one percent of the minus (. 12.A and B two warehouses, 10% from warehouse A to warehouse B, the two warehouses are equal, the original quality ratio of the two warehouses is (5 to 4).

is 50 percent of B, then B is 200 percent more than A.