\(4\cdot x^3+15=47\)
\(4\cdot x^3=47-15\)
\(4\cdot x^3=32\)
\(x^3=32:4\)
\(x^3=8\)
\(x^3=2^3\)
\(=>x=2\)
\(4\cdot x^3+15=47\)
\(4\cdot x^3=47-15\)
\(4\cdot x^3=32\)
\(x^3=32:4\)
\(x^3=8\)
\(x^3=2^3\)
\(=>x=2\)
Tìm số tự nhiên x, biết: 4.x3 + 15 = 47
7) -29.(85-47)-85.(47-29)
8) -15.(23-29)+23-(15-29)
9) -13.(55-29)+23.(15-29)
13)-10.(2+4)-5.(4-3)
1 tính
a) \(47.\left(-147\right)-47.\left(-47\right)\)
B) \(24.\left(15-4\right)+4.\left(24-15\right)\)
4.x^3+15=47
4^x:2+15=47
42. 53 + 47. 156 - 47. 114
53. ( 51 + 4 ) + 53. ( 49 + 96 ) + 53
42. ( 15 + 96 ) + 6. ( 25 +4 ). 7
A,-5-(21-89+35)-21×(-6) B,4×52-3(24-4) C,47×(45-15)-47×(45+15) D,1-4+7-10+........+-100+103Các bạn nhanh giúp mình nhé ,mình cảm ơn
536x27-(825+219):18+153:152-42x3
Tính hợp lí
a) 1050:15-150:15+150:19+1940
b)53*39+47*39-53*21-47*21
c)2*53*12+4*6*87
4*x^3+15=47