1.
![log_{ \sqrt{3} }{18}-log_3{4}=log_3{18^2}-log_3{4}=log_3{( \frac{324}{4} )}=log_3{81}=4](https://tex.z-dn.net/?f=log_%7B%20%5Csqrt%7B3%7D%20%7D%7B18%7D-log_3%7B4%7D%3Dlog_3%7B18%5E2%7D-log_3%7B4%7D%3Dlog_3%7B%28%20%5Cfrac%7B324%7D%7B4%7D%20%29%7D%3Dlog_3%7B81%7D%3D4)
2.
![9^{log_3{4}-0,5}=3^{2log_3{4}-1}= \frac{3^{log_3{16}}}{3} = \frac{16}{3}](https://tex.z-dn.net/?f=9%5E%7Blog_3%7B4%7D-0%2C5%7D%3D3%5E%7B2log_3%7B4%7D-1%7D%3D%20%5Cfrac%7B3%5E%7Blog_3%7B16%7D%7D%7D%7B3%7D%20%3D%20%5Cfrac%7B16%7D%7B3%7D%20)
3.
![lg(25^{log_5{0,8}}+9^{log_3{0,6}})=lg(5^{log_5{0,64}}+3^{log_3{0,36}})=lg(0,64+0,36)=0](https://tex.z-dn.net/?f=lg%2825%5E%7Blog_5%7B0%2C8%7D%7D%2B9%5E%7Blog_3%7B0%2C6%7D%7D%29%3Dlg%285%5E%7Blog_5%7B0%2C64%7D%7D%2B3%5E%7Blog_3%7B0%2C36%7D%7D%29%3Dlg%280%2C64%2B0%2C36%29%3D0)
4.
![log_4{(log_9{81})}+log_3{ \sqrt{3} }=log_4{2}+1/2=1/2+1/2=1](https://tex.z-dn.net/?f=log_4%7B%28log_9%7B81%7D%29%7D%2Blog_3%7B%20%5Csqrt%7B3%7D%20%7D%3Dlog_4%7B2%7D%2B1%2F2%3D1%2F2%2B1%2F2%3D1)
5.
![log_{\sqrt{3}} {63}-log_3{49}=log_3{(63^2)}-log_3{(7^2)}=log_3{9^2}=log_3{81}=4](https://tex.z-dn.net/?f=log_%7B%5Csqrt%7B3%7D%7D%20%7B63%7D-log_3%7B49%7D%3Dlog_3%7B%2863%5E2%29%7D-log_3%7B%287%5E2%29%7D%3Dlog_3%7B9%5E2%7D%3Dlog_3%7B81%7D%3D4)
6.
![\frac{2^{log_2{3}}}{3^{1+log_{ \sqrt{5} }{ \sqrt{5} }}} = \frac{3}{3^{1+1}} = \frac{1}{3}](https://tex.z-dn.net/?f=%20%5Cfrac%7B2%5E%7Blog_2%7B3%7D%7D%7D%7B3%5E%7B1%2Blog_%7B%20%5Csqrt%7B5%7D%20%7D%7B%20%5Csqrt%7B5%7D%20%7D%7D%7D%20%3D%20%5Cfrac%7B3%7D%7B3%5E%7B1%2B1%7D%7D%20%3D%20%5Cfrac%7B1%7D%7B3%7D%20)
Дальше сама, у меня правда уже времени нет
273 кв см = 2 кв дм 73 кв см
1 кв дм = 100 кв см
702см - 30см=672см
405см+29=434
10006см-87см=9919см
6003кг-2868кг=3135кг
4068кг+952кг=3116кг
8045м+3980м=12025м
3000см-408см=2592см
300000г-25925г=274075г
1) 20+(12-8)=24
2) 60+(а+7); а=7;=74
3) 50-(а-6); а=13;=43
4) 40+(а+8); а=17;=65
5) (52-2)-7=43
6) (46+а)+3; а=4;=53
28+48=72(ответов)-всего без 9*8=72 7*2=14(вруны) 6*7=42(правдицы-говорящий) 7*2=14(чисто правдицы модераторы я думал сам