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Trả lời
568-{5.[143-3.(14-1)]+10}:10
=568-{5.[143-3.13]+10}:10
=568-{5.[143-39]+10}:10
=568-{5.104+10}:10
=568-530:10
=568-53
=515
568-{5x[143-3x13+10}:10
=568-{5x[143-39+10}:10
=568-(5x114):10
=568-570:10
=568-57
=511
\(568-\left\{5.\left[143-\left(4-1\right)^2\right]+10\right\}:10\)
\(=568-\left[5.\left(143-3^2\right)+10\right]:10\)
\(=568-\left[5.\left(143-9\right)+10\right]:10\)
\(=568-\left(5.134+10\right):10\)
\(=568-68\)
\(=500\)
568 - { 5 [ 143 - ( 4 - 1 )2 ] + 10 } : 10
=568 - { 5 . ( 143 - 32 ) + 10 } :10
=568 - { 5 . ( 143 - 9 ) + 10 ) : 10
=568 - ( 5 . 134 + 10 ) : 10
=568 - 68
=500
568 - { 5 [ 143-(4-1)]2 +10} :10
= 568 - (5 * 140^2 +10) :10
= 568 - 9801
= 9233
568 - { 5.[ 143 - ( 4-1)^2]+10} : 10
= 568 - { 5.[ 143 - ( 4^2-1^2]+10}:10
= 568 - { 5.[ 143 - 15 ] + 10 } : 10
= 568 - { 5. 128 + 10 } : 10
= 568 - 650 : 10
= 568 - 65
= 503
a)\(568-\left\{5.\text{[}143-\left(4-1\right)^2\text{]}+10\right\}:10\)
\(=568-\left\{5.\left[143-3^2\right]+10\right\}:10\)
\(=568-\left\{5.134+10\right\}\text{ }\)
\(=568-\left(670+10\right)\)
\(=568-680\)
\(=-112\)
b)\(10^2-\left[60:\left(5^6:5^4-3\times5\right)\right]\)
\(=100-\left[60-\left(6^2-15\right)\right]\)
\(=100-\left(60-\left(36-15\right)\right)\)
\(=100-60-36+15\)
\(=19\)
\(a)\)\(568-\left\{5\left[143-\left(4-1\right)^2\right]+10\right\}\div10\)
\(=\)\(568-\left\{5\left[143-3^2\right]+10\right\}\div10\)
\(=\)\(568-\left\{5\left[143-9\right]+10\right\}\div10\)
\(=\)\(568-\left\{5.134+10\right\}\div10\)
\(=\)\(568-\left\{670+10\right\}\div10\)
\(=\)\(568-680\div10\)
\(=\)\(568-68\)
\(=\)\(500\)
\(b)\)\(10^2-\left[60\div\left(5^6\div5^4-3\times5\right)\right]\)
\(=\)\(10^2-\left[60\div\left(5^2-15\right)\right]\)
\(=\)\(10^2-\left[60\div\left(25-15\right)\right]\)
\(=\)\(10^2-\left[60\div10\right]\)
\(=\)\(100-6\)
\(=\)\(94\)
1: \(\dfrac{-7}{4}\cdot\dfrac{2}{9}=\dfrac{-14}{36}=\dfrac{-7}{18}\)
2: \(=\dfrac{12}{13}\cdot\dfrac{26}{5}=\dfrac{24}{5}\)
3: \(=\dfrac{20}{11}\cdot\dfrac{55}{21}=\dfrac{100}{21}\)
4: \(=\dfrac{-40}{240}=\dfrac{-1}{6}\)
568-(5.(143-3^2)):10
568-(5.134):10
568-670:10
568-67
501
đáp số
501
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