Bài 1: Tính by Hương Ly https://padlet.com/colygvth/lwnht8ed09s2cg0y en-us 2021-08-09 12:40:52 UTC 2025-10-18 15:01:26 UTC hello@padlet.com https://padlet.net/icons/png/1f603.png Quân https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673507620 9/12 - 1/3 = 9x1/12x3 = 9/36]]> 2021-08-10 01:17:00 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673507620 Đạt https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673507710 6/7
2/15]]> 2021-08-10 01:17:07 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673507710 Lê Kim Hiếu https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673508514 8/3 - 4/9 = 20/9
1/3 + 5/7 = 22/21]]> 2021-08-10 01:17:36 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673508514 Nhã anh https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673509186 2/7+4/7=6/7 

]]> 2021-08-10 01:18:19 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673509186 Quân https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673509306 9/8 + 5/8 = 14/8

]]> 2021-08-10 01:18:26 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673509306 Linh https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673510079 2021-08-10 01:19:06 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673510079 https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673512896 4/3-2/6=2/15]]> 2021-08-10 01:21:13 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673512896 Linh https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673514521 hai phần bảy cộng bốn phần bảy bằng sáu phần bảy]]> 2021-08-10 01:22:47 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673514521 Phan An https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673515192 8/3 - 4/9= 20/9  
1/3 + 5/7=22/21

]]> 2021-08-10 01:23:30 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673515192 đông nhi https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673516878 9/8+5/8=14/8]]> 2021-08-10 01:25:05 UTC https://padlet.com/colygvth/lwnht8ed09s2cg0y/wish/1673516878