Tuyển Cộng tác viên Hoc24 nhiệm kì 29 tại đây: https://forms.gle/4ZVAZTFbqXyEn2M2A
1. is visiting 2. are using 3. am fixing
=12+3.[39-3\(^2\)] =15.[39-9] =15.30 =450
1B 2B
=[(-26)+26]+[16+(-34)] =0+(-18) =-18
31a 32b 33d 34a 35c
A
so they were=> so were they