a.2^3. 19 - 2^3.14 + 1^200

 =2^3.19-2^3.14+1

 =2^3.(19-14)+1

 =2^3.5+1

 =8.5+1

 =40+1

 =41

b. (-45)+81+(-64)+(-91)+(-220)

= 36+ (-155)+ (-220)

= -339

(-46)+81+(-64)+(-91)-(-220)

=  -46 + 81 - 64 -91 +220 

= (-46-64)+(81-91)+220

=(-110)+(-10)+220

= -120+220

= 220-120

=100

ko bít;DDDD

f: =-46-64-91+220

=220-110-91

=110-91=19

g: =4-2:2=3

h: ={47-736:2^4}*2013

=2013(47-184)

=-137*2013=-275781

( - 46 ) + 81 + ( - 64 ) + (- 91 ) - ( - 220 )

= - 46 + 81 - 64 - 91 + 220

= 35 -155 +220 

=  - 120 + 220

= 100

(-46)  + 81 + (- 64) + (-91) – (-220)

= - 46 + 81 - 64 - 91 + 220 

= ( - 46 - 64 ) + ( 81 - 91 ) + 220

= -100 + (-10) + 220

= - 110 + 220

= 110

(-46)+81+(-64)+(-91)-(-220)

=[(-46)+(-64)]+[81+(-91)]-(-220)

=(-110)+(-10)-(-220)

=(-120)+220

=100

a)\(12-\left[25+\left(6+3\right)^2\right]\)

\(=12-\left[25+9^2\right]\)

\(=12-\left[25+81\right]\)

\(=12-106\)

\(=\left(-94\right)\)

b) \(315-\left(8^6\div8^4-12.3+7+7^3\right)\)

\(=316-\left(8^2-36+7+343\right)\)

\(=316-\left(64-43+343\right)\)

\(=316-\left(21+343\right)\)

\(=316-364\)

\(=\left(-48\right)\)

c) \(-81-108\)

 \(=-\left(81+108\right)\)

\(=\left(-189\right)\)

d) \(-13-91\)

\(=-\left(13+91\right)\)

\(=\left(-104\right)\)

e)\(-85-\left(-17\right)\)

\(=-85+17\)

\(=-\left(85-17\right)\)

\(=\left(-68\right)\)

g) \(63.\left(-8\right)+\left(-63\right).92\)

\(=63.\left(-8\right)+63.\left(-92\right)\)

\(=63.\left[\left(-8\right)+\left(-92\right)\right]\)

\(=63.\left(-100\right)\)

\(=\left(-6300\right)\)

a) 4³.27 - 4³.23

= 4³.(27-23)

= 4³.4

= 4⁴

b) 35.77+23.35+5³.2³

= 35.(77+23) + (5.2)³

= 35.100 + 10³

= 35.10²+ 10².10

= 10².(35+10)

= 100.45

= 4500

c) 3².5 + 2³.10 - 81 : 3

= 9.5 + 8.2.5 - 27

= 5.(9+8.2) - 27

= 5.25 - 27

= 5³ - 27

= 98

d) 151-2⁹¹:2⁸⁸+1³.3

= 151 - 2³+3

= 151 - 8 + 3

= 146