Số chẵn lớn nhất có 4 chữ số chia 5 dư 2 là:9992
Số chẵn bé nhất có 4 chữ số chia 5 dư 2 là:1002
số các số chia 5 dư 2 là:
(9992-1002):10+1=900 (số)
tổng của các số đó là:
(9992+1002)x900:2=4947300
đúng 100% luôn
Chia 5 dư 2 có tận cùng là 2 hoặc 7
Nhưng vì là số chẵn nên tận cùng sẽ là 2 .
Số bé nhất có 4 chữ số thỏa mãn : 1002
Số lớn nhất có 4 chữ số thỏa mãn : 9992
Số số thỏa mãn :
( 9992 - 1002 ) : 10 + 1 = 900 ( số )
Tổng các số đó :
( 9992 + 1002 ) x 900 : 2 = 4 947 300
đ/s: ....
GIẢI
các số chẵn có 4 chữ số chia cho 5 dư 2 lần lượt là : 1002 ; 1012 ; ... ; 9992.
có số số chẵn là :
( 9992 - 1002 ) : 10 + 1 = 900
tổng là :
( 9992 + 1002 ) x 900 : 2 = 4947300
đáp số : 4947300
Chia 5 dư 2 có tận cùng là 2 hoặc 7
Nhưng vì là số chẵn nên tận cùng sẽ là 2 .
Số bé nhất có 4 chữ số thỏa mãn : 1002
Số lớn nhất có 4 chữ số thỏa mãn : 9992
Số số thỏa mãn :
( 9992 - 1002 ) : 10 + 1 = 900 ( số )
Tổng các số đó :
( 9992 + 1002 ) x 900 : 2 = 4 947 300
Số chẵn lớn nhất có 4 chữ số khi chia cho 5 dư 2 là: 9992
Số chẵn bé nhất có 4 chữ số khi chia cho 5 dư 2 là: 1002
Số các số chẵn có 4 chữ số khi chia cho 5 dư 2 là:
( 9992 - 1002 ) : 10 + 1 = 900 ( số hạng )
Tổng của tất cả các số chẵn có 4 chữ số khi chia cho 5 dư 2 là:
( 9992 + 1002 ) x 900 : 2 = 4947300
Đáp số: 4947300
Mình làm đúng đó
Đảm bảo 100%
Bài này mình làm rồi cô chữa đúng y hệt
nha mọi người
4947300
minh chac luon minh thi violympic roi
4947300. Đúng 1000000000000000000000000000000000000%luôn
cảm ơn các bạn nhe !
TTTTTTTTTTHHHHHHHHHHAAAAAAAAAAKKKKKKKKKKSSSSSSSSSS!
4947300 là đúng nhất
Mình bảo đảm với các 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4947300
đúng 100000000000000000000000000000000000% luôn
494300 bạn yêu quý nhé
tớ làm trong violympic rồi
chúc bạn một năm mới vui vẻ nhé
4947300 mik làm trong violympic tuy làm ko được 300 nhưng câu này mik đúng
minh ko chiu tinh nen yoan nen day de COPPY
