Đỗ Minh Hoàng - luubachvando@gmail.com ( Thứ năm, 26/3/2020)

Bài 1 a)=6/5 =45 b)=8 =7/82 c)=-3/32 =-15/28 =34/33 =9/-16 d)=6/-35 =7/120 =32/15 =6/12 Bài 2 a) x-10/3=7/15.3/5 x-10/3=7/25 x=10/3+7/25 x=271/75 b)x+3/22=27/121.11/9 x+3/22=3/11 x=3/11-3/22 x=3/22 c)8/23.46/24-x=1/3 2/3-x=1/3 x=2/3-1/3 x=1/3 d)1-x=49/65.5/7 1-x=7/13 x=1-7/13 x=6/13 Lớp 6a1 MS:09