2х=1:4
2х=0.25
х=0.25:2
х=0.125
ответ:0.125
81/(√6-√3)^4=81/((√6-√3)^2)^2=81/(6-3)^2=81/36-36+9=81/9=9
P.S:(36 и -36 взаимно уничтожаются )
1. 0.2⁴ + 1.3² - 0.1³ = 0.0016 + 1.69 - 0.001 = 1.6906
2. 7.5x-2.46x = 78.3+124.56
5.04x = 202.86
x = 202.86/5.04 = 20286/504 = (126*161)/(126*4) = 161/4 = 40.25
<span>x = 40.25
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