https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566 Kiểm tra en-us 2021-11-23 07:56:42 UTC 2025-11-06 23:11:38 UTC hello@padlet.com https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907847467 hi]]> 2021-11-23 08:02:28 UTC https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907847467 https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907847616



]]> 2021-11-23 08:02:34 UTC https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907847616 https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907855564 BCNN(5,4,7)=140
B(140)=0,140,280,...
280+1=... con ko bt

]]> 2021-11-23 08:07:17 UTC https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907855564 https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907873310 BCNN(8,12,15)=120
0,120,280,360,480,600
==> 600 chia hết cho 12,8,15 nên phải -2
==>=598



]]> 2021-11-23 08:17:12 UTC https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907873310 https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907877186 Bài 20 : 
x+2 chia hết cho 8; 12 ; 15 .
x+2 = BCNN 8;12;15 = 2^3 . 3.5 =120 
gấp lên 5 lần = 600
x+2=600
x = 598



]]> 2021-11-23 08:19:30 UTC https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907877186 https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907902521 BCNN(12,18)=36
B(36)=0,36,72,108,...,180,...,720,...
890
-thỏa mãn ycdb

]]> 2021-11-23 08:33:52 UTC https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907902521 https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907920106 x+2 chia hết cho 12 
x+8 chi hết cho 18 
x chia hết cho 10
BCNN 10 ; 12 ;18 = 180 
180 ; 360 ; 540 ; 720 ; 900 
900 - 8 -2 = x = 890]]> 2021-11-23 08:44:30 UTC https://padlet.com/phuongthaohnue18398/j2x34rwxereoj566/wish/1907920106