6B_BÀI 16: PHEP NHÂN SO NGUYÊN(TIET 2) by Thầy Khoa Phương https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7 Mời cac emtham gia cung hoc nhé! en-us 2021-12-31 02:56:48 UTC 2025-08-20 18:03:33 UTC hello@padlet.com https://padlet.net/icons/png/1f9e9.png khoavnkg https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969373814 Luyện tập 3 trang 72 

1. a) Tính giá trị của tích
 P = 3. (- 4). 5. (- 6). 

    b) Tích P sẽ thay đổi thế nào nếu ta đổi dấu tất cả các thừa số?

]]> 2021-12-31 03:03:28 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969373814 khoavnkg https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969374919 2. Tính 4. (-39) - 4. (-14).]]> 2021-12-31 03:04:36 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969374919 khoavnkg https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969379930 Bài 3.35 trang 72

Tính một cách hợp lí:

a) 4.(1 930 + 2 019) + 4.(-2 019); 



]]> 2021-12-31 03:10:01 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969379930 khoavnkg https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969381235 Bài 3.37 trang 72

Tính giá trị của biểu thức sau một cách hợp lí:

a) (- 8).72 + 8.(-19) - (-8); 



]]> 2021-12-31 03:11:31 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969381235 Ngọc Hân https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969500155 2021-12-31 06:56:09 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969500155 Ngọc Trinh https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969500865 2021-12-31 06:57:41 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969500865 mỹ quyên myquenho https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969500941 2021-12-31 06:57:51 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969500941 tuấn huy https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969501209 2021-12-31 06:58:29 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969501209 Thanh Trúc https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969501977 2021-12-31 07:00:20 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969501977 Công Thịnh https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504026 4. (-39) -4 . (-14)= 4. [(-39) - (-14)]= 4. (-25)
= -100]]> 2021-12-31 07:05:29 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504026 Nguyễn Anh Kiệt https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504325 2021-12-31 07:06:12 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504325 mỹ quyên myquenho https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504531 2021-12-31 07:06:48 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504531 tuấn huy https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504669 2021-12-31 07:07:10 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504669 Ngọc Hân https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504880 2021-12-31 07:07:41 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969504880 thanh khiết ( -39)- 4 . ( -14) = 4 .[ -39 -( - 14 ] = 4. ( -25) = -100 https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969505244 2021-12-31 07:08:36 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969505244 Ngọc Trinh https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969505287 2021-12-31 07:08:42 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969505287 Công Thịnh: https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969506303 a) 4.(1 930+2 019) + 4.(- 2 019)
= 4.[1 930+2 019 + (- 2 019)]
= 4. [1 930+0]=4. 1930=7 720]]> 2021-12-31 07:11:22 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969506303 Ngọc Hân https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969506504 2021-12-31 07:11:51 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969506504 Ngọc Trinh https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507013 2021-12-31 07:13:05 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507013 Thanh Trúc https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507030 a) 4.(1 930 + 2 019) + 4.(-2 019) = 4.(1 930 + 2 019 - 2 019) = 4.1 930 = 7 720]]> 2021-12-31 07:13:09 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507030 mỹ quyên myquenho https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507367 2021-12-31 07:14:00 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507367 tuấn huy https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507379 2021-12-31 07:14:01 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507379 thanh khiết a) 4. ( 1930+2019) + 4( -2019) ] = 4.[ 1930 + 0] = 4. 1930 = 7720 https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507473 2021-12-31 07:14:17 UTC https://padlet.com/khoavnkg/9n94h8k1jlj3hdl7/wish/1969507473