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3 năm trước

(2^2.2^3/4^2.16):(26/16^2)^10

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trinhptdm0112

3 năm trước

Đáp án:

Giải thích các bước giải: $\frac{{{2^2}{{.3}^2}}}{{{{16.4}^2}}}:{\left( {\frac{{26}}{{{{16}^2}}}} \right)^{10}} = \frac{{{2^2}{{.3}^2}}}{{{2^4}{{.2}^4}}}.\frac{{{{\left( {{{\left( {{2^4}} \right)}^2}} \right)}^{10}}}}{{{{(2.13)}^{10}}}} = \frac{{{3^2}}}{{{2^6}}}.\frac{{{2^{80}}}}{{{2^{10}}{{.13}^{10}}}} = \frac{{{3^2}{{.2}^{64}}}}{{{{13}^{10}}}}$

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Read the passage and fill in the blank with the missing world Transport in London is expensive. The fare depends on the length of the journey; you cannot buy or book tickets in advance. Children under sixteen pay half, and those under five travel free. You usually buy bus tickets from the conductor, but some buses you pay the driver. Most London buses are double-deckers. On the underground railway ( or tube ) you buy your tickets from the machine or ticket office, and give up at the end of the journey. Not all trains from the platfrom go to the same place, so watch the signs. The last train leaves at 1.15 p.m. 1.The fare depends on the ................. of the journey. A.way B.distance C.time 2.Children under five don't have to ........... . When they use public transport. A.give B.pay C.buy 3.You should buy bus tickets from the .......... but on some buses you pay the driver. A.machine B.driver C.conductor 4.On the underground railway ( or tube ) you buy your ticket .............. the machine or ticket office. A.from B.in C.on 5.Not all trains from one ........... go to the same place, so watch the signs. A.station B.platfrom C.railway Giúp mik hứa vote 5*

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