X x125 = ?
Tìm x: X x125=32250 ;39975:X=123
a) \(x.125=32250\)
\(x=32250:125\)
\(x=258\)
b) \(39975:x=123\)
\(x=39975:123\)
\(x=325\)
\(x\times125=32250\)
\(\Rightarrow x=258\)
_____
\(39975:x=123\)
\(\Rightarrow x=325\)
a)Xx125=32250
⇒ X=32250:125
⇒ X=258
b) 39975:X=123
⇒ X=39975:123
⇒ X=325
75 x 8 x 16 x125
75x8x16x125=1200000
Ủng hộ nha
cho mình hỏi:
25 x 20 x 125 x 8 - 8 x 30 x 5 x125=?
GIẢI HỘ MÌNH NHÉ
\(25\times20\times125\times8-8\times30\times5\times125\\ =125\times500\times8-8\times150\times125\\ =125\times4000-1200\times125\\ =125\times\left(4000-1200\right)\\ =125\times2800\\ =350000\)
Biết xo thỏa mãn (-64)x125=x3khi đó -5xo=.....?
(-64)x125=x3
-8000=x3
vì -8000=-203=>x=-20
vậy -5x0=-5.(-20)1=100
Bang 100
NHỚ CHO MK NHA !!!!!!!!!!!!!!!!
Tính
120 x 999 + 120
2 x 4 x 0,8 x 5 x 2,5 x125
\(\frac{120\times999+120}{2\times4\times0,8\times5\times2,5\times125}\)
\(=\frac{120\times1000}{\left(125\times0,8\right)\left(4\times2,5\right)\left(2\times5\right)}\)
\(=\frac{120000}{100\times10\times10}\)
\(=\frac{120000}{10000}\)
\(=\frac{12}{1}=12\)
Biết xo thoa man:(-64)x125=x3 khi đó -5xo là gj?
(-64) . 125 = x3
=> \(\left(-4\right)^3.5^3=x^3\)
=> \(\left(-4.5\right)^3=x^3\)
=> \(\left(-20\right)^3=x^3\)
=> x = -20
=> -5x0 = \(-5.\left(-20\right)=100\)
(-64) . 125 = x3
=> $\left(-4\right)^3.5^3=x^3$(−4)3.53=x3
=> $\left(-4.5\right)^3=x^3$(−4.5)3=x3
=> $\left(-20\right)^3=x^3$(−20)3=x3
=> x = -20
=> -5x0 = $-5.\left(-20\right)=100$
Biết x0 thỏa mãn: (-64)x125=x3 khi đó - 5x0 = ...
x3=(-64).125
x3=-8000
=>x=-20
=>(-5).x=(-5).(-20)=100
tk nha bạn
thank you bạn
(^_^)
8 x5 x125 x4 x2 x25
= (5 x 2) x (125 x 8) x (25 x 4)
= 10 x (125 x 8) x (25 x 4)
= 10 x 1000 x (25 x 4)
= 10 x 1000 x 100
= 10000 x 100
= 1000000
8 x 5 x 125 x 4 x 2 x 25
= (8 x 125) x (5 x 2) x (4 x 25)
= 1000 x 10 x 100
= 1.000.000
tick cho mk nhé~!!
chúc bạn học tốt!!!!❤
315x55 +315 x45 b) 678 x125 – 25 x678
a) 315 ✖55 + 315✖45 b) 678✖125-25✖678
= 315✖(55+45) =678✖(125-25)
=315 ✖ 100 =678✖100
=31500 =67800
315 x 55 + 315 x 45
= 315 x ( 55 + 45 )
= 315 x 100
= 31500