По идее так, хотя я не понимаю, почему число страниц с остатком)) удачи тебе))
2tg(X)=0 когда tg(X)=0 то есть Х=piN
2sin(X)=1 когда sin(X)=1/2 то есть Х=pi/6
<span>Р=2*(а+в)
</span>16=2*(а+в)
<span>сумма а+в должна быть 8, т.е стороны могут быть равны
</span>а=1, в=7 или
а=2,в=6или
а=3, в=5 или
<span>а=2,в=6 или
</span>а=1, в=7
<span>Затем вычислить площадь S=а*в (ширина*длина)
</span>
1.1)17+2661=2678
2)69928+72-69779=221
3)72318:4254=17
4)17*2678=45526
5)45526:221=206
Ответ:206
2.1)5484-5477=7
2)21831:7277=3
3)13323*7=93216
4)93216:31087=3
5)305-3+3=305
Ответ:305
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Two girls-artist, Sue Jones, rent a room, under the window which is a huge tree. One of the girls was seriously ill, she desperately does not want to fight, come up with myself that as soon as the last autumn leaf fall from the tree outside the window, she dies, and is quietly waiting for death. A sheet of all falls, falls, falls ... It turns out the last leaf has fallen for a long time, as it should have happened, and the neighbor-artist, Berman old, not very talented, but very good, painted the exact same sheet in the picture , cold and died. His first and last masterpiece rescued the girl, because she suddenly went on the mend