(0.25)3. 32
tính (0.25)^3*32
Tính (0.25)^3*32
( 0,25 ) 3 x 32
= (0,25 )3 x 23 x 22
= 0,53 x 22
= 0,25 x 0,5 x 4
= 0,25 x 4 x 0, 5
= 1 x 0, 5
= 0,5
Tính:(0.25)3.32;(-0.125)3.804
\(\left(0,25\right)^3.32\\ =\left(0,5\right)^6.2^5\\ =\left(0,5.2\right)^5.0,5=\\ 0,5\)
96:0,5+32*0.25+ 40*1.1
phần
15:0.25
tính nhanh
a.(0.25)3 . 32
b (-0.125)3.804
tính:
a. (0.25)3 . 32
b. (0.125)3 . 804
a) \(\left(0,25\right)^3\cdot32=0,5\)
b) \(\left(0,125\right)^3\cdot80^4\)= 80000
Tim x:
a) 2x-3=1/2
b) /x+1/=0.25
c) 32/2x=2
d) 64/125=(4/5)^x
e) x/6=-9/18
f) -4/x+3=12/-15
g) x+1/2/0.75=3/2/0.25
TÌM X:
a) 2x - 3 = \(\frac{1}{2}\)
2x = \(\frac{1}{2}+3\)
2x = \(\frac{7}{2}\)
x = 2 : \(\frac{7}{2}\)
x = 2 . \(\frac{2}{7}\)
x = \(\frac{4}{7}\)
b) /x+1/ = 0.25
/x+1/ = \(\frac{1}{4}\)
\(\orbr{\begin{cases}x+1=\frac{1}{4}\\x+1=-\frac{1}{4}\end{cases}}\)
\(\orbr{\begin{cases}x=\frac{1}{4}-1\\x=-\frac{1}{4}-1\end{cases}}\)
\(\orbr{\begin{cases}x=-\frac{3}{4}\\x=-\frac{5}{4}\end{cases}}\)
c) 32 : 2x = 2
\(2x=32:2\)
\(2x=16\)
\(x=16:2\)
\(x=8\)
~GOOD STUDY~
a) 2x-3=1/2
=> 2x=1/2+3
=> 2x=7/2
=> x=7/2:2
=> x=7/4
b) |x+1|=0.25
=> \(\orbr{\begin{cases}x+1=0,25\\x+1=-0,25\end{cases}}\)=>\(\orbr{\begin{cases}x=0,25-1\\x=-0,25-1\end{cases}}\)=>\(\orbr{\begin{cases}x=-0,75\\x=-1,25\end{cases}}\)
1. Tính hợp lí : A. (0.25)^3×32
B. (-0.125)^3.80^4
C. 8^2×4^5/2^20
D. 81^11×3^17/27^10×9^15
3/10 / 2/5
4/7 / 3/11
25 / 0.1
25 * 10
11 / 0.25
11 * 4
48 / 0.01
48 * 100
32 / 0.5
32 * 2
95 / 0.1
72 / 0.01
75 / 0.5
125 / 0.25
Tinh bang hai cach
7/11 / 3/5 + 4/11 / 3/5
(6.24+1.26)/ 0.75