Giúp mik nha ;) a, 53 . 39 + 47 . 39 – 53 . 21 – 47 . 21 b, 2 . 53 . 12 + 4 . 6 . 87 – 3 . 8 . 40 c, 5 . 7 . 77 – 7 . 60 + 49 . 25 – 15 . 42
Giúp mik nha 😉 a, 53 . 39 + 47 . 39 – 53 . 21 – 47 . 21 b, 2 . 53 . 12 + 4 . 6 . 87 – 3 . 8 . 40 c, 5 . 7 . 77 – 7 . 60 + 49 . 25 – 15 . … Đọc tiếp