Tính:-7.-6+5.5-(-6).5
Những câu hỏi liên quan
2^2.4^4.2^6.2.22.2^3.2^7.2^43^2.33^4.3^3.33.3^5.3^4.3^23.3^6.3^7.3^44.4^34^5.4.4^74.4^3.4^5.4^65.5^65.5^45.5^2.5^45.5^3.5^4.5^65.5^6.5^4.5^3x.x^2x.x^3.x^5a.a^4a.a^2.a^4.a^5.a^7a.a^3.a^5.a^6a^4.a.a^5.a^6.ax.x^3.x^4x^5.x^4.x.x^7.x^67.7^27.7^2.7^4.7^57^3.7^5.7.7^47^2.7.7^6.7^6.7^310.10^210.10^210.100.10^310.100.10^4.100010^2.10^4.100.1000
Đọc tiếp
2^2.4^4.2^6.2.2=
2.2^3.2^7.2^4=
3^2.3=
3^4.3^3.3=
3.3^5.3^4.3^2=
3.3^6.3^7.3^4=
4.4^3=
4^5.4.4^7=
4.4^3.4^5.4^6=
5.5^6
5.5^4=
5.5^2.5^4=
5.5^3.5^4.5^6=
5.5^6.5^4.5^3=
x.x^2
x.x^3.x^5=
a.a^4
a.a^2.a^4.a^5.a^7=
a.a^3.a^5.a^6
a^4.a.a^5.a^6.a=
x.x^3.x^4=
x^5.x^4.x.x^7.x^6=
7.7^2=
7.7^2.7^4.7^5=
7^3.7^5.7.7^4=
7^2.7.7^6.7^6.7^3=
10.10^2=
10.10^2=
10.100.10^3=
10.100.10^4.1000=
10^2.10^4.100.1000=
làm ơn giúp mình ,bạn nào làm nhanh đúng mình chọn cho nhanh nha mọi người
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Bài làm
22.44.26.2.2=22.28.26.22=218
2.23.27.24=215
32.3=33=27
34.33.3=38
3.35.34.32=312
3.36.37.34=318
4.43=44
45.4.47=413
4.43.45.46=415
5.56=57
5.54=55
5.52.54=57
5.53.54.56=514
5.56.54.53=514
x.x2=x3
x.x3.x5=x9
a.a4=a5
a.a2.a4.a5.a7=a19
a.a3.a5.a6=a15
a.a4.a.a5.a6.a=a18
x.x3.x4=x8
x5.x4.x.x7.x6=x23
7.72=73
7.72.74.75=712
73.75.74.7=713
72.7.76.76.73=718
10.102=103
10.100.103=106
10.100.104.1000=1010
102.104.100.1000=1011
Tk nha !
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Tính gọn biểu thức :9^5.5^6:45^7
\(9^5.5^6:45^7=\frac{9^5.5^6}{\left(9.5\right)^7}\)
\(=\frac{9^5.5^6}{9^7.5^7}\)
\(=\frac{1}{9^2.5}=\frac{1}{405}\)
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95 . 56 : 457
= \(\frac{9^5.5^6}{9^7.5^7}\)
= \(\left(9\right)^{-2}.\left(5\right)^{-1}\)
= \(\frac{1}{81}.\frac{1}{5}\)
= \(\frac{1}{405}\)
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\(9^5:5^6:45^7\)
\(=\frac{9^5.5^6}{45^7}\)
\(=\frac{9^5.5^6}{9^7.5^7}\)
\(=\frac{1}{9^2.5}\)
\(=\frac{1}{405}\)
_Chúc bạn học tốt_
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a)-3/5.5/7+3/-5.3/7+3/5.-6/7
b)3/13:-11/-6+-3/13:11/-5-2/13
c)1/2.(x+2)+3/8=7/16
d)1/3x+2/5(x+1)=0
-1/3+5/2x=1/6:(-2/9)
a: \(=\dfrac{-3}{5}\cdot\dfrac{5}{7}+\dfrac{-3}{5}\cdot\dfrac{3}{7}+\dfrac{-3}{5}\cdot\dfrac{6}{7}\)
\(=\dfrac{-3}{5}\left(\dfrac{5}{7}+\dfrac{3}{7}+\dfrac{6}{7}\right)=\dfrac{-3}{5}\cdot2=-\dfrac{6}{5}\)
b: \(=\dfrac{3}{13}\cdot\dfrac{6}{11}+\dfrac{3}{13}\cdot\dfrac{5}{11}-\dfrac{2}{13}=\dfrac{3}{13}-\dfrac{2}{13}=\dfrac{1}{13}\)
c: =>1/2x+1+3/8=7/16
=>1/2x=-15/16
=>x=-15/8
d: =>5/2x-1/3=1/6*(-9)/2=-9/12=-3/4
=>5/2x=-3/4+1/3=-9/12+4/12=-5/12
=>x=-1/6
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(4^5.10.5^6+2^8.25^5)÷( 2^8.5^4+2^5.5^7)=?
7^91:7^89+5.5^2-124
4.15+28:7-6^20:6^18
(3^2+2^3):7
11^25:11^23-3^5:(1^10+2^3)-60
5^20:(5^5.6+5^15.19)
791:789+5.52-124
=791:789+5.25-124
=791-89+125-124
=72+125-124
=49+125-124
=174-124
=50
4.15+28:7-620:618
=60+4-620-18
=64-62
=64-36
=28
(32+23):7
=(9+8):7
=17:7
=17/7
1125:1123-35:(110+23)-60
=1125:1123-35:(1+8)-60
=1125:1123-35:9-60
=1125:1123-35:33-60
=1125-23-35-3-60
=112-32-60
=121-9-60
=112-60
=52
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Tính giá trị biểu thức: 20^5.5^10/100^5. b)(0.9)^5/(0.3)^6. c)6^3+3.6^2+3^3/-13.
Tính giá trị của biểu thức: 20^5.5^10/100^5. b)(0.9)^5/(0.3)^6. c)6^3+3.6^2+3^3/-13.
Thực hiện phép tính:3^7.2^5 +3^8/3^6 .5^2-3^6.18+2^5.43+2^5/2^5.5^2-2^5.3
\(A=\left(\dfrac{5.5^3}{125^2.49}\right)^{15}:\left(\dfrac{5^6}{434}\right)^7\)
\(A=\left(\dfrac{5.5^3}{125^2.49}\right)^{15}:\left(\dfrac{5^6}{434}\right)^7\)
\(=\left(\dfrac{5^4}{5^6.7^2}\right)^{15}.\dfrac{434^7}{5^{42}}\)
\(=\left(\dfrac{1}{5^2.7^2}\right)^{15}.\dfrac{434^7}{5^{42}}\)
\(=\dfrac{62^7.7^7}{5^{30}.7^{30}.5^{42}}\)
\(=\dfrac{62^7}{5^{72}.7^{23}}\)
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Tuấn Anh Phan Nguyễn ( tui k giỏi = ông , lm ik )
Đoàn Đức Hiếu ( pé lm hộ cj nha , cj đag hc lại lp 4 )
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