Question

Calculeaza:
g) (3²-2³):(6²-7×5)=

h) (4³-23^0):3²+2²×8=

i) (2²-3)^100+5:[3²-4×(3¹-3^0)]×1^2013=

j) 21²-2×{11²+21:(2+1)+2×[1+2³×(1+2)+2⁴-2¹]} =

Va rog repede!!

Answer 1

g) (9-8):(36-35)=1:1=1
h) (64-1):9+4×8=63:9+32=7+32=39
i) (4-3)^100+5:[9-4×(3-1)]×1^2013=1^100+5:[9-4×2]×1=1+5:[9-8]×1=1+5:1×1=1+5×1=1+5=6
j) 441-2×{121+21:3+2×[1+8×3+16-2]}=441-2×{121+7+2×[15+24]}=441-2×{128+2×39}=441-2×{128+78}=441-2×206=441-412=29

Answer 2

g)
( 3² - 2³ ) : ( 6² - 7 × 5 ) = 1 
= ( 9 - 8 ) : ( 36 - 35 ) =
= 1 : 1 =
= 1

h)
( 4³ - 23⁰) : 3² + 2² × 8 = 39 
= ( 64 - 1 ) : 9 + 4 × 8 =
= 63 : 9 + 32 = 
= 7 + 32 =
= 39 

i)
( 2² - 3 )¹⁰⁰ + 5 : [ 3² - 4 × ( 3¹ - 3⁰ ) ] × 1²⁰¹³ = 6 
= ( 4 - 3) ¹⁰⁰ + 5 : [ 9 - 4 × ( 3 - 1 ) ] × 1 = 
= 1¹⁰⁰ + 5 : ( 9 - 4 × 2) × 1 =
= 1 + 5 : 1 × 1 = 
= 1 + 5 =
= 6 

j)
21² - 2 × { 11² + 21 : ( 2 + 1 ) + 2 × [ 1 + 2³ × ( 1 + 2 ) + 2⁴ - 2¹ ] }  = 29 
= 441 - 2 × [ 121 + 21 : 3 + 2 × ( 1 + 8 × 3  + 16 - 2 ) ] = 
= 441 - 2 × [ 121 + 7 + 2 × ( 1 + 24 + 16 - 2) ] =
= 441 - 2 × ( 128 + 2 × 39 ) = 
= 441 - 2 × ( 128 + 78 ) = 
= 441 - 2 × 206 =
= 441 - 412 =
= 29