1/6×41/50=3/8х-137/100
41/300=3/8х-137/100
82=225х-822
-225х+82=-822
-225х=-822-82
-225х=-904
х=904/225
=5294847389800471943171900168
170+а=869
а=869-170
а=699
170+699=869
869=869
с-841=108
с=841+108
с=949
949-841=108
108=108
760-b=463
b=760-463
b=297
760-297=463
463=463
2*x=860
x=860:2
x=430
2*430=860
860=860
8а^6-27=(2а²-3)(4а⁴+6а²+9)
а³+64=(а+4)(а²-4а+16)
(3х-4)³=27х³-108х²+144х-64
(5х+у)³=125х³+75х²у+15ху²+у³