22.23.24... .2100 Hỏi chữ ssos tận cùng của tích này la bao nhiêu

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Các câu hỏi liên quan

1) Tìm x biết : x-5=-12

2) Rút gọn biểu thức : \(\dfrac{10.7-10}{5-15}\)

3) Kết quả của phép tính:

\(\left(-1\right)^2.\left(-2\right)^3\) là :

4)Kết quả của phép tính : 25% của 32 là :

5) Kết quả của phép tính:

\(2\dfrac{3}{5}.3\) là:

6) Tìm x: \(\dfrac{x}{27}=\dfrac{-15}{9}\)

7) Tổng : \(-\dfrac{7}{6}+\dfrac{15}{6}\) bằng :

8) Tìm một số biết \(\dfrac{3}{4}\) của nó bằng -27

9) Kết qủa của phép tính:

\(\dfrac{-4}{11}.\dfrac{2}{5}+\dfrac{6}{11}.\dfrac{-3}{10}\) là:

10) Cho 2 góc A và B phụ nhau và góc A - góc B = 40 độ. Tìm số đo của góc A.

11) Khẳng định nào sau đây là đúng:

a) Hai góc kề nhau có tổng số đo bằng 180 độ

b) Hai góc phụ nhau có tổng số đo bằng 180 độ

c) Hai góc bù nhau có tổng bằng 90 độ

d) Hai góc bù nhau có tổng số đo bằng 180 độ

12) Cho 2 góc bù nhau, trong đó có một góc bằng 55 độ. Số đo của góc còn lại:

Tự luận:

1) a)Thực hiện phép tính:\(\dfrac{1}{3}+\dfrac{2}{5}-\left(\dfrac{2}{5}+\dfrac{1}{6}\right)\)

b) Tìm x biết: \(\dfrac{x}{28}=-\dfrac{5}{7}\)

2) Tuấn có 21 viên bi. Tuấn cho Dũng \(\dfrac{3}{7}\) số bi của mình.

a) Dũng được Tuấn cho bao nhiêu viên bị?

b) Tuấn còn lại bao nhiêu viên bi?

3) Cho góc xoy bằng 180 độ. Vẽ tia Oz nằm giữa 2 ta Ox; Oy sao cho góc xoz bằng 50 độ.

a) Tính gocs yoz

b) gọi Om là tia phân giác của góc xOz và On là tia phân giác của góc yoz. Tính góc mOn.

Câu 1:Tính

a 4.52-3.(24-9)

b 7+6.(1https:https:https://LogaVN.net/image/faq/data2/710107_.https://LogaVN.net/image/faq/data2/710107_.LogaVN.nethttps://LogaVN.net/image/faq/data2/710107_.imagehttps://LogaVN.net/image/faq/data2/710107_.faqhttps://LogaVN.net/image/faq/data2/710107_.data2https://LogaVN.net/image/faq/data2/710107_.185200_.https:https://LogaVN.net/image/faq/data2/710107_.https://LogaVN.net/image/faq/data2/710107_.LogaVN.nethttps://LogaVN.net/image/faq/data2/710107_.imagehttps://LogaVN.net/image/faq/data2/710107_.faqhttps://LogaVN.net/image/faq/data2/710107_.data2https://LogaVN.net/image/faq/data2/710107_.185200_.LogaVN.nethttps:https://LogaVN.net/image/faq/data2/710107_.https://LogaVN.net/image/faq/data2/710107_.LogaVN.nethttps://LogaVN.net/image/faq/data2/710107_.imagehttps://LogaVN.net/image/faq/data2/710107_.faqhttps://LogaVN.net/image/faq/data2/710107_.data2https://LogaVN.net/image/faq/data2/710107_.185200_.imagehttps:https://LogaVN.net/image/faq/data2/710107_.https://LogaVN.net/image/faq/data2/710107_.LogaVN.nethttps://LogaVN.net/image/faq/data2/710107_.imagehttps://LogaVN.net/image/faq/data2/710107_.faqhttps://LogaVN.net/image/faq/data2/710107_.data2https://LogaVN.net/image/faq/data2/710107_.185200_.faqhttps:https://LogaVN.net/image/faq/data2/710107_.https://LogaVN.net/image/faq/data2/710107_.LogaVN.nethttps://LogaVN.net/image/faq/data2/710107_.imagehttps://LogaVN.net/image/faq/data2/710107_.faqhttps://LogaVN.net/image/faq/data2/710107_.data2https://LogaVN.net/image/faq/data2/710107_.185200_.data2https:https://LogaVN.net/image/faq/data2/710107_.https://LogaVN.net/image/faq/data2/710107_.LogaVN.nethttps://LogaVN.net/image/faq/data2/710107_.imagehttps://LogaVN.net/image/faq/data2/710107_.faqhttps://LogaVN.net/image/faq/data2/710107_.data2https://LogaVN.net/image/faq/data2/710107_.185200_.775362_.2)2

c 25.7+25

Câu 2:Tìm x

a (x-15):5+22=24

b |x+7|=15-(-4)

c 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Câu 3:

1)Cho A= 1-2+3-4+5-6+...+99-100

a Tính A

b A có chia hết cho 2,3 và 5 không?

c A có bao nhiêu ước tụ nhiên? bao nhiêu ước nguyên?

2)Thay a,b bàng các chữ số thích ợp sao cho:24a68b chia hết cho 45

3)Cho a là một số nguyen có dạng a=3b+7(b thuộc Z)

Hỏi a có thể nhận được những giá trị nào?tại sao?

a=11 a=2002 a=2003 a=11570 a=22789 a=29563 a=299537

Câu 4:

a Tìm số tự nhiên nhỏ nhất sao cho số đó chia 9 dư 5 chia 7 dư 4 chia 5 dư 3

b Cho A=1+20122+20123+...+201272

B=201273-1

So sánh A với B