Bùi Ngọc Minh Châu
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2022-08-03 21:07:22
(=) \(\dfrac{8}{3}:x\) = \(\dfrac{17}{12}\)
(=) \(x=\)\(\dfrac{8}{3}:\dfrac{17}{12}\)
(=) \(x=\dfrac{32}{17}\)
2022-08-03 21:03:43
= \(\dfrac{3}{4}:\dfrac{13}{21}\)
= \(\dfrac{63}{52}\)
2022-08-03 19:30:38
a, = 3012-1575
=1437
b, =760+1946-296
=2410
c, =34515-1038+99
=33576
2022-08-02 20:56:39
= \(\dfrac{4\cdot2}{11\cdot2}+\dfrac{5\cdot11}{2\cdot11}\)
= \(\dfrac{8}{22}+\dfrac{55}{22}\)
=\(\dfrac{63}{22}\)
2022-08-02 20:33:46
(=) \(\dfrac{x+140}{x}\) x 260 = 71 + 260
(=)\(\dfrac{x+140}{x}\) x 260 = 520
(=) \(\dfrac{x+140}{x}\) = 520 : 260
(=)\(\dfrac{x+140}{x}\) = 2
(=) x + 140 = 2x
(=) x - 2x = 140
(=) -x = 140
(=) x = -140
2022-08-02 16:40:48
(=) 149x - 894 = 131
(=) 149x = 1025
(=) x = \(\dfrac{1025}{149}\)
2022-08-02 15:02:02
x=34-37
x=-3
2022-07-28 09:03:50
2022-07-27 22:10:06
3x^6-1=2
(=) 3x^6=2+1
(=) 3x^6=3
(=) x^6=3:3
(=)x^6=1
=> x=1
2022-07-27 21:36:42
= 289+1122+1089
=2500