\(\dfrac{-4}{9}\).\(\dfrac{3}{-8}\)

B . Sáo

. Put the word in the correct

column trousers, chose, pound, low, folder, around, rainbow, oldest, hole, mouse, window, colder, show, cow, found, moment, shout, soldier

/ əʊ/                                                                                   / aʊ/

Tổng 5^45.15 .13 + 7^30.5.11 là số nguyên tố hay hợp số? Vì sao?