1. Nam wrote an essay in Literature class morning.
......................................................................................................................................................................................................................................................................................................2. I watched TV yesterday morning.
................................................................................................................................................................................................................................................................................................3. Nam and you were in the English club last Tuesday.
................................................................................................................................................................................................................................................................................................4. They ate noodles two hour ago.
.................................................................................................................................................................................................................................................................................................5. We always had a nice on Christmas holiday in the past.
................................................................................................................................................................................................................................................................................................6. My father decorated the Christmas tree.
...............................................................................................................................................................................................................................................................................................7. She bought a new dress yesterday.
................................................................................................................................................................................................................................................................................................8. They were lat for school.
................................................................................................................................................................................................................................................................................................9. Mr. Tam took his children to the museum last sunday.
............................................................................................................................................
................................................................................................................................................10. Hoa made a cushion for her armchair.
........................................................................................................................................................................................................................................................................................
...............................
672×100−672×50+336×500
=672×100−672×50+336×2×250
=672×100−672×50+672×250
=672×(100−50+250)
=672×300
=201600
201600