2sinx=1
sinx=1/2
x=(-1)^k*π/6+πk;k€Z
<u>(924*93+30271)/29=(85932+30271)/29=116203/29</u>=4007
2.4 kg+5x<span>=3.2 kg+2x
3x</span><span>=0.8kg
x</span><span>=266.7 g
b) 6.25+4x</span><span>=1.55+10x
-6x</span><span>=-4.7
x</span><span>=0.78
в) 5120+x</span><span>=750+3x
-2x</span><span>=6.83
x</span><span>=3.4
</span>