tìm hai số tự nhiên biết ƯCLN của chúng = 16 và biết số lớn nhất = 96
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nguyen chung ha
8 tháng 12 2015
a) goi hai so la a ; b va a >b
vi UCLN(a,b)=18=>a=18k ; b=18q (trong do UCLN (k,q)=1 va k>q)
=>a+b=162
18k+18q =162
18(k+q)=162
k+q=9
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29 tháng 10 2016
21453
52542000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | 542454550212.100000000000000000000000000000000000000000000000000000000000000000000000000000 |
10 tháng 12 2018
1a) số lớn =12
b)cau nay ban ghi nham roi dang ra phai so lon =96 tim so nho (so nho =16)
2
a)goi 2 so do lan luot tu nho den lon la a vab(dieu kien 400>a,b>300)
tu bai ra ta co a-b=84 nen ta co so do=364va336
b) tuong tu o bai nay ta cung dat an nhung de bai ko cho trong khoang nen ta cố lon=12m so be=12n
mink ko giai chi tiet dau ban thong cam nha
Gọi 2 số cần tìm là a và b,a=96
Vì ƯCLN(a,b) = 16 -> 96=16 x m
b=16 x n
(m;n) =1
Ta có : 96=16 x m
->m=96 : 16
m=6 mà a > b hay 96 > b -> m > n
Vì (m;n) =1 -> ta có bảng sau
32
Vậy (a;b) ={(96;16);(48;32)}