<span>9-2(3-4x)=-2x-3
9-6+8х+2х+3=0
10х+6=0
10х=-6
х=-6/10
х=-3/5</span>
Log₃(1/81)+log₂√2-4°=log₃(1/3)⁴+log₂2¹/²-1=log₃3⁻⁴-1=-4*log₃3+(1:(1/2))*log₂2-1=-4+2-1=-3
53,76/(4,248 - 1,56х) + 3,8 = 55
53,76/(4,248 - 1,56х) = 55 -3,8
53,76/(4,248 - 1,56х) = 51,2
53,76 = 51,2 * (4,248 - 1,56х)
53,76 = 217,4976 - 79,872х
79,872х = 217,4976 -53,76
79,872х = 163,7376
х = 2,05
1. 8 014 м
2. 800 ц
3. 3 000 000 м2
4. 304 г
5. <
6. 15 мин
7. 6 лет
8. 1 км = 1000м
9. 9 ц
702 705 237 490 320 802 194 670
* 144 *206 *405 *360 *583 *103 *308 *280
-------- ------- -------- ------- ------- --------- ------- -------
101088 145230 95985 176400 186560 82606 59752 187600