19/1008+ 11/50
K
Khách
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QR
1
PA
15 tháng 12 2017
1/ \(\left(6^{2007}-6^{2006}\right):6^{2006}\)
\(=\dfrac{6^{2007}-6^{2006}}{6^{2006}}\)
\(=\dfrac{6^{2007}}{6^{2006}}-\dfrac{6^{2006}}{6^{20006}}\)
\(=6^1-1\)
\(=6-1\)
\(=5\)
2/ \(\left(11^{1009}+11^{1008}\right):11^{1008}\)
\(=\dfrac{11^{1009}+11^{1008}}{11^{1008}}\)
\(=\dfrac{11^{1009}}{11^{1008}}+\dfrac{11^{1008}}{11^{1008}}\)
\(=11^1+1\)
\(=11+1\)
\(=12\)
QR
1
TT
15 tháng 12 2017
a,\(\left(6^{2007}-6^{2006}\right):6^{2006}\)
\(=\left(6^{2007}:6^{2006}\right)-\left(6^{2006}:6^{2006}\right)\)
\(=6^1-1\)
\(=5\)
b,\(\left(11^{1009}+11^{1008}\right):11^{1008}\)
\(=\left(11^{1009}:11^{1008}\right)+\left(11^{1008}:11^{1008}\right)\)
\(=11^1+1\)
\(=12\)
8 tháng 4 2016
-11-(19-x)=50
=> -11 -19+x=50
=> -30+x=50
x=-30-50
x=-80
k cho mh nha
mh trả lời đầu tiên
9 tháng 6 2023
\(1111=1000+100+10+1=10^3+10^2+10^1+1\)
\(1247=1000+2\times100+4\times10+7=10^3+2\times10^2+4\times10^1+7\)
\(1543=1000+5\times100+4\times10+3=10^3+5\times10^2+4\times10^1+3\)
\(1794=1000+7\times100+9\times10+4=10^3+7\times10^2+9\times10^1+4\)
\(1876=1000+8\times100+7\times10+6=10^3+8\times10^2+7\times10^1+6\)
\(1008=1000+8=10^3+8\)
\(1080=1000+8\times10=10^3+8\times10^1\)
\(1709=1000+7\times100+9=10^3+7\times10^2+9\)
\(1500=1000+5\times100=10^3+5\times10^2\)
\(1097=1000+9\times10+7=10^3+9\times10^1+7\)
\(20000=2\times10000=2\times10^4\)
\(27000=2\times10000+7\times1000=2\times10^4+7\times10^3\)
\(28700=2\times10000+8\times1000+7\times100\)
\(24004=2\times10000+4\times1000+4=2\times10^4+4\times10^3+4\)
\(26013=2\times10000+6\times1000+1\times10+3=2\times10^4+6\times10^3+10^1+3\)
\(20508=2\times10000+5\times100+8=2\times10^4+5\times10^2+8\)
\(20358=2\times10000+3\times100+5\times10+8=2\times10^4+3\times10^2+5\times10^1+8\)
\(20009=2\times10000+9=2\times10^4+9\)
\(29830=2\times10000+9\times1000+8\times100+3\times10=2\times10^4+9\times10^3+8\times10^2+3\times10^1\)
\(25763=2\times10000+5\times1000+7\times100+6\times10+3=2\times10^4+5\times10^3+7\times10^2+6\times10^1+3\)
MT
0
19/1008 + 11/50 = 6019/25200