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a) {[( 32 + 1 ) . 10 - ( 8 : 2 + 6 ) ] : 2 } + 55 -( 10 : 5 )3
= ( 10 . 10 - 10 : 2 ) + 55 - 6
= 90 : 2 ) + 55 - 6
= 45 + 55 - 6
= 100 - 6
= 94
b) 100 - [ 60 - ( 9 - 2 )2 ] . 32
= 100 - [ 60 - 72 ] . 9
= 100 - [ 60 - 49 ] . 9
= 100 - 11 . 9
= 100 - 99
= 1
c) [ ( 1253 ) . 75 - ( 175 )5 : 5 ] : 20162017
= 0 : 20162017
= 0
+ bài d kg hiểu! Xin lỗi
b) 1449 - {[(216 + 184) : 8] . 9}
= 1449 - {[400 : 8] : 9}
= 1449 - {50 : 9}
= 1449 - \(\frac{50}{9}\)
= \(\frac{12991}{9}\)
c) 342 . 163 + 337 . 342 - 103 . 171
= 342 . (163 + 337) - 1000 . 171
= 342 . 500 - 500 . 2 . 171
= 500 . (342 - 2 - 171)
= 500 . 169
= 84500
a,\(3^3.3^2-3^5+5^8.1-5^{12}:5^4\)
=\(3^5-3^5+5^8-5^8\)
=0
9!-8!-7! :\(8^2\)
=8!.9-8!-8!.8
=8!.(9-1-8)
=8!.0
=0
a)\(960-60\times\text{ }\left[\left(2^5+2^3\right)\div5-3\right]+2013^0\times1^{2013}\)
\(=960-60\times\text{ }\left[\left(32+8\right)\div5-3\right]+1\times1\)
\(=960-60\times\left(40\div5-3\right)+1\times1\)
\(=960-60\times\left(8-3\right)+1\times1\)
\(=960-60\times5+1\times1\)
\(=960-300+1\)
\(=660+1\)
\(=661\)
b)\(2^2\times3-\left(1^{10}+8\right)\div3^2\)
\(=4\times3-\left(1+8\right)\div9\)
\(=12-9\div9\)
\(=12-1\)
\(=11\)
2)\(\left(3^9\times2^3+3^9\right)\div3^{10}\)
\(=\text{ }\left[3^9\times\left(2^3+1\right)\right]\div3^{10}\)
\(=\text{ }\left[3^9\times\left(8+1\right)\right]\div3^{10}\)
\(=3^9\times9\div3^{10}\)
\(=3^9\times3^2\div3^{10}\)
\(=3^{11}\div3^{10}\)
\(=3\)