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Это русский
а тут математика
14^(10) = (2*7)10 = 2^(10)*7(10)
<span>(2^(10)*7(10)) / 2^(11)*7^(9)
</span>сокращаем
7/2 = 3,5
14x-(2x+24)
14×7-(2×7+24)=98-38=60
14×11-(2×11+24)=154-46=108
(400×2+200-1000)+(50×2:20:5)-(900:9:100-300×2:600)=0+1-(1-1)=1