E is the base of natural logarithm, and the image of the nth power of E is obtained Just images

E is the base of natural logarithm, and the image of the nth power of E is obtained Just images

Find the limit LIM (t tends to - 2) (t power of E) + 1 / T

Obviously, this formula is continuous at t = - 2
So the limit = e ^ (- 2) - 1 / 2

General present tense, general future tense, general past tense, and present continuous tense, such as present continuous tense; subject + be verb + doing

He is playing football in the playground
We usually go to school at 7:30
I was late yesterday
General future tense: subject + will / shall / + be going to + verb prototype
I will / shall go to visit him next week
There is going to be a football match this afternoon

What is the law of "bad money expelling good money"?

For example, the legal price ratio of gold and silver is 1:15, while the market price ratio is 1:16. At this time, the market price of gold is higher. At this time, the holder of gold coin will melt the gold coin and exchange it for silver in the market. Once melted, one liang of silver can be earned back

Calculating complex z = (2-I) / (1-I) - I

From z = (2-I) / (1-I) - I
=（2-i）（1+i）/（1-i）（1+i）-i
=（3+i）/2-i
=3/2-i/2.

This paper expounds the theoretical innovation significance of the scientific outlook on development by using the historical unity principle of cognition and practice

The unity of cognition and practice is the essential stipulation of Marx's epistemology. The unity of cognition and practice is concrete, which means that cognition should be consistent with the objective and practice under certain time, place and conditions. Practice is concrete, and the theory produced in practice must be concrete. The unity of cognition and Practice is historical, which means that practice always develops, The unity of the concrete history of cognition and practice requires that when the concrete process of practice has moved forward, the theory should change accordingly, otherwise, people will make the mistake of thinking lagging behind the reality; when the concrete process of practice is not over, and the conditions for the transformation to another concrete process are not available, If people insist on pushing things forward and do what they can only do in the future, they will make the mistake of adventurism if they try to surpass the historical stage. Therefore, we should proceed from reality in practice and adhere to and develop truth and knowledge in practice

My favorite sport is swimming!

my favourite sporthi!i am ben.do you want to know my favourite sport?ok ,i can tell you now.my favouite sport is swim.because it is exciting .swimming is a help sport.i can tealthy.summer ,it is hot.s...

The bottom radius and height of a cylinder are 12cm and 16cm respectively

Bottom area = 3.14 × 12 & # 178; = 452.16 (cm2)
Bottom perimeter = 3.14 × 12 × 2 = 75.36 (cm2)
Side area = 75.36 × 16 = 1205.76 (cm2)
Surface area = 1205.76 + 452.16 × 2 = 2110.08 (cm2)

Input two positive integers m and N to find their greatest common divisor and least common multiple
C language to edit!

Main () {int p, R, N, m, temp; printf ("please enter two positive integers n, M:"); scanf (% D,% d ", & n, & M); if (n {temp = n; n = m; m = temp;} p = n * m; while (m! = 0) {r = n% m; n = m; m = t;} printf (" their greatest common divisor is% D, n "; printf (" their least common multiple is% d \... "

1. If the lengths of the two sides of the triangle are 2 and 7 respectively, the value range of the third side length C is 0___ When the perimeter is odd, the third edge is______ When the perimeter is a multiple of 5, the third side length is________ .
2. If the sides of an isosceles triangle are 8cm and 6cm respectively, its perimeter is_______ cm.
3. Given that the three sides of triangle are a, B, C, and a + B + C + a-b-c = 10, find the value of B
4. The circumference of a triangle with equal sides is 28cm, and the length of one side is 8cm. Find the length of each side of the triangle
5. In △ ABC, a = 6, B = 8, then the value range of perimeter C is______ .
3. Given that the length of three sides of triangle is a, and a + B-C + a-b-c = 10, find the value of B.

1. From 7-2 < C < 7 + 2, 5 < C < 9,
When the perimeter is odd, the third edge is 6 or 8
When the perimeter is a multiple of 5, the third side length is_ 6_______ .
2. When 8 is waist, l = 8 × 2 + 6 = 22,
When 6 is waist, l = 6 × 2 + 8 = 20
3. From a + B + C > 0, a-b-c < 0,
A + B + C + a-b-c
=a+b+c-a+b+c
=2b+2c=10,
b+c=5
0＜b＜5.
4. Let the waist be 8, the bottom be 28-8 × 2 = 12, and the three sides be 8,8,12
Let the base be 8, waist = (28-8) △ 2 = 10, and the three sides be 10,10,8
5.8-6＜c8+6,∴2＜c＜14.