nhổ răng

ta co: 199²⁰<200²⁰ =(2.10²)²⁰=2²⁰.10⁴⁰

          2003¹⁵>2000¹⁵=(2.10³)¹⁵=2¹⁵.10⁴⁵=2¹⁵.10⁵.10⁴⁵=2¹⁵.2⁵.5⁵.10⁴⁰=2²⁰.10⁴⁰.5⁵

\(\Rightarrow\)2003¹⁵>199²⁰

tick cho minh nha nguyen huu huy

nha sĩ thick bán kẹo ha ha

đề của mình là còng tròn.ko phải bàn tròn nhé!

Fill each blank with a suitable word in each blank to complete the passage.

working/ by/ for/ questions/ invented/ there/ all/ are/ information/ However

Nowadays a lot of important inventions (1) are carried out by scientists (2) working for large industrial firms. (3) However there are still opportunities (4) for other people to invent various things. In Britain, (5) there is weekly television program which attempts to show (6) all the various devices which people have recently (7)invented . The people organizing the program receive (8) information about 700 inventions a year. New ideas can still be developed (9) by private inventors. However, it is important to consider these (10)questions . Will it work? Will it be wanted? Is it new?

linh tinh vừa thôi 

16

tich cho tao đi

bay ngu dứa